sentinel
gb/sˈɛntənəl/ us/sˈɛntənəl/
C1
Anglų
~ 9000
őrszem, őrérték, jelzőesemény, őrszemfaj, őrt áll, őrködik
DAIKTAVARDIS
C1
1
őrszem
B2
Vartosenos šablonas:
[someone/something] is a sentinel for [a place/person]
A lone sentinel stood at the gate throughout the night.
Egy magányos őrszem állt a kapunál egész éjjel.
Two soldiers were posted as sentinels along the perimeter fence.
Két katonát állítottak őrszemnek a külső kerítés mentén.
From the hill, a stone tower acts as a sentinel over the harbor below.
The old lighthouse, now automated, still serves as a silent sentinel for passing ships.
His dog was a constant sentinel at the front door, barking at any unexpected visitor.
Mokymuisi skirti pavyzdžiai
A soldier stood as a sentinel at the door.
Egy katona őrszemként állt az ajtónál.
The big tree was like a sentinel at the edge of the field.
A nagy fa úgy állt a mező szélén, mint egy őrszem.
A dog can be a good sentinel for a house.
The statue is a stone sentinel in front of the museum.
Dažna klaida:
Learners sometimes think "sentinel" can mean any security device or system (like a password or alarm). It specifically refers to a watcher or guard (person, animal, or guarding object like a tower or device), not just any safety measure.
Reikšmė
person or thing that guards
Kolokacijos
lone sentinel
|stand sentinel
|silent sentinel
|post a sentinel
|act as a sentinel
Sinonimai
guard (General word for someone who protects people or property; more common and less formal than "sentinel".)
|
lookout (Focuses on the act of watching for danger, not on formally guarding a place like a sentinel often does.)
Antonimai
intruder (Opposite role: someone who enters a place without permission instead of protecting it.)
Temos
security
|military
|nature
|core_vocabulary
|daily_life
Apibrėžimas
A person, animal, or device that stays in one place to watch and protect something or someone.
A person, animal, or device that keeps watch and guards a place, person, or thing, especially by staying in one position.
DAIKTAVARDIS
C2
TECHNICAL
2
őrérték
C2
Vartosenos šablonas:
[someone] uses a sentinel to mark [an end/boundary]
The loop reads input until it encounters the sentinel value of -1.
A ciklus addig olvassa a bemenetet, amíg el nem éri a -1-es őrértéket.
We added a null byte as a sentinel character to mark the end of the string.
Egy nullbájtot adtunk hozzá őrkarakterként, hogy jelezzük a karakterlánc végét.
Using a sentinel in the array helps simplify the search algorithm.
The linked list uses a sentinel node at the head to avoid special-case code.
A unique sentinel object is often used to distinguish "no value" from "None" in Python functions.
Mokymuisi skirti pavyzdžiai
The program stops when it sees the sentinel value.
A program megáll, amikor észleli az őrértéket.
We use -1 as a sentinel to show the end of the list.
A lista végének jelzésére a -1-et használjuk őrértékként.
A sentinel value makes the code easier to read.
The array has a sentinel at the end so the loop knows when to stop.
Dažna klaida:
Learners may confuse a "sentinel" with any error code. A sentinel can mark many special conditions, including normal ends of data, and is not only for errors.
Reikšmė
marker value in programming
Kolokacijos
sentinel value
|sentinel node
|sentinel character
|use a sentinel
|special sentinel
Sinonimai
marker (Broad technical term for something that shows a position or condition; not specific to data values like "sentinel" often is.)
|
flag (Common programming term for a variable that signals a condition; overlaps with sentinel but not always used to mark ends of structures.)
Antonimai
ordinary value (A regular data value that carries normal content, not used specially to mark structure or conditions like a sentinel does.)
Temos
technology
|computer_science
|science
|education
Apibrėžimas
In computer programs, a special number or value used to show the end of a list or to show that something special has happened.
In computing, a special data value or object used to mark the end of a data structure, signal a boundary, or represent a special condition.
DAIKTAVARDIS
C2
TECHNICAL
3
jelzőesemény
C2
Vartosenos šablonas:
[something] is a sentinel event for [a larger problem]
The unexpected patient death was classified as a sentinel event and triggered a full investigation.
A váratlan beteghalált jelzőeseménynek minősítették, és teljes körű vizsgálatot indítottak.
A single case of polio can be a sentinel event for broader community transmission.
Egyetlen gyermekbénulásos eset is lehet jelzőesemény a szélesebb közösségi terjedésre.
The hospital tracks every fall as a potential sentinel event indicating problems in patient safety.
Public health officials treated the first local dengue case as a sentinel case for the region.
The explosion was a sentinel event that revealed major failures in the plant’s safety systems.
Mokymuisi skirti pavyzdžiai
The hospital called the accident a sentinel event.
A kórház jelzőeseménynek minősítette a balesetet.
One serious mistake can be a sentinel event for a hospital.
Egyetlen súlyos hiba is lehet jelzőesemény egy kórházban.
A sentinel event shows there may be a bigger safety problem.
The first case of the disease was a sentinel case for the area.
Dažna klaida:
Learners may think "sentinel event" simply means any important event. In professional healthcare and safety contexts, it is a specific kind of serious incident that must be analyzed and often reported.
Reikšmė
early warning safety event
Kolokacijos
sentinel event
|sentinel case
|sentinel injury
|sentinel surveillance
Sinonimai
warning sign (General and informal; does not carry the technical, reportable meaning that "sentinel event" has in healthcare.)
|
red flag (Informal expression for a strong warning; lacks the formal, technical sense of an event that must be investigated.)
Antonimai
routine event (A normal, expected event that does not signal a hidden problem, unlike a sentinel event.)
Temos
healthcare
|safety
|health
|law
|work
Apibrėžimas
A very serious or first case of a problem that warns people there may be a bigger safety or health problem.
A single serious incident or early case that signals a possible larger safety, quality, or disease problem, especially in healthcare or public health.
DAIKTAVARDIS
C2
TECHNICAL
4
őrszemfaj
C2
Vartosenos šablonas:
[something] is a sentinel species for [a condition/place]
Frogs are often used as sentinel species because their skin is highly sensitive to pollutants.
A békákat gyakran használják őrszemfajként, mert a bőrük nagyon érzékeny a szennyező anyagokra.
Marine biologists chose sea lions as sentinel animals to monitor ocean health.
A tengeri biológusok oroszlánfókákat választottak őrszemállatoknak az óceán állapotának megfigyelésére.
Bird die-offs can act as a sentinel for emerging infectious diseases like West Nile virus.
Bees serve as environmental sentinels, reacting quickly to pesticide exposure.
The decline of lichen on trees became a sentinel of worsening air quality in the region.
Mokymuisi skirti pavyzdžiai
Scientists use some animals as sentinel species to watch for pollution.
A tudósok egyes állatokat őrszemfajként használnak a szennyezés figyelésére.
Dead birds can be a sentinel for a new disease in an area.
Az elhullott madarak őrszemként jelezhetik egy új betegség megjelenését egy területen.
Frogs are sentinels for water pollution because they are very sensitive.
Bees can be sentinels of bad chemicals in the environment.
Dažna klaida:
Learners might confuse a "sentinel species" with a "keystone species". A keystone species strongly shapes an ecosystem; a sentinel species is mainly valued as an early warning sign.
Reikšmė
organism that signals risk
Kolokacijos
sentinel species
|sentinel animal
|environmental sentinel
|avian sentinel
Sinonimai
indicator species (Broader ecological term; not all indicator species are specifically used as early warning sentinels for danger.)
Antonimai
non-indicator species (A species whose presence or health does not clearly show changes in environmental conditions, unlike a sentinel species.)
Temos
environment
|biology
|nature
|science
|health
Apibrėžimas
An animal or other living thing that shows early signs of damage when the environment is dangerous or polluted.
An organism, often an animal species, whose health or behavior provides an early warning of environmental danger, pollution, or disease risk.
VEIKSMAŽODIS
C2
LITERARY
5
Vartosenos šablonas:
[someone/something] sentinels [a place/person]
Armed troops sentinel the narrow pass leading into the valley.
Fegyveres csapatok álltak őrt a völgybe vezető keskeny szorosnál.
A line of ancient oaks sentinels the driveway to the old estate.
Ősi tölgyek sora áll őrt a régi birtok felhajtója mentén.
Volunteers now sentinel the entrance to the camp through the night.
High stone towers sentinel the harbor, their lights sweeping the dark water.
Two police officers sentinel the door while the search is carried out inside.
Mokymuisi skirti pavyzdžiai
Soldiers sentinel the gate all night.
A katonák egész éjjel őrt állnak a kapunál.
Tall trees sentinel the road to the house.
Magas fák állnak őrt a házhoz vezető út mentén.
Guards sentinel the door during the meeting.
Police officers sentinel the front of the building.
Dažna klaida:
Learners often do not recognize "sentinel" as a verb and may think usages like "trees sentinel the path" are errors. It is rare and mainly literary; in normal speech, "guard" or "stand guard over" is preferred.
Reikšmė
stand guard over something
Kolokacijos
sentinel the border
|sentinel the camp
|sentinel the gates
Sinonimai
guard (More common general verb; "sentinel" is rarer and more literary, suggesting a fixed, watchful presence.)
|
watch over (Softer and more emotional; "sentinel" sounds more formal and duty-focused.)
Antonimai
neglect (To fail to protect or watch something, the opposite of actively sentineling it.)
Temos
security
|literature
|core_vocabulary
|daily_life
Apibrėžimas
To stay in one place to watch and protect a place or person.
To stand guard over a place or person, usually by remaining in a fixed position as a lookout or protector.
Gramatika
Pagrindinė forma
sentinel
IPA
GB/sˈɛntənəl/
US/sˈɛntənəl/
Skiemenys ir kirčiavimas
sen - tinel (2 skiemenys)
Stress on 1st syllable (sen)
Žodžio formos
Noun
- Base: sentinel
- Plural: sentinels
Žodžių šeima
Posakiai
act as a sentinel
1/ˈækt ˈæz ə sˈɛntənəl/
fixed phrase
serve in a guarding role
To have the job of watching and protecting something or someone.
Pavyzdžiai
- The security cameras act as sentinels for the parking lot.
- Her dog acts as a sentinel, barking at any strange sound outside the house.
sentinel event
1/sˈɛntənəl ɪvˈɛnt/
fixed phrase
technical
serious incident that signals danger
A very serious and unexpected mistake or problem in a hospital or other service that shows something is badly wrong and must be studied.
Pavyzdžiai
- The patient’s suicide was reported as a sentinel event under hospital policy.
- Any wrong-site surgery is automatically classified as a sentinel event.
sentinel node
1/sˈɛntənəl nˈoʊd/
fixed phrase
technical
first lymph node cancer reaches
The first lymph node where cancer cells are likely to go from the main tumor.
Pavyzdžiai
- The surgeon removed the sentinel node to check whether the cancer had spread.
- A biopsy of the sentinel node came back negative, which was good news for the patient.
sentinel species
1/sˈɛntənəl spˈiʃiz/
fixed phrase
technical
species that warns of danger
A kind of animal or other living thing that shows early signs when the environment becomes dangerous or polluted.
Pavyzdžiai
- Biologists chose frogs as a sentinel species for water quality in the wetlands.
- Changes in bee behavior can make them a useful sentinel species for pesticide exposure.
sentinel value
1/sˈɛntənəl vˈælju/
fixed phrase
technical
special marker value in code
A special number or value in a computer program that shows the end of data or a special state.
Pavyzdžiai
- We use -999 as a sentinel value to show missing test scores.
- The loop stops reading input when it finds the sentinel value.
stand sentinel
1/stˈænd sˈɛntənəl/
fixed phrase
literary
stand as a guard
To stand in one place to watch and protect a place or person.
Pavyzdžiai
- Two soldiers stood sentinel outside the president’s room.
- A lone pine tree stands sentinel at the edge of the cliff.