thermal
gb/θˈɚməl/ us/θˈɚməl/
B1
英语
~ 4800
义项
0 个义项
adjective
B1
property
1
Related to heat or temperature
About heat or temperature, or made to keep heat in.
用法模式：
[thermal] [noun]
常见错误：
Learners sometimes confuse 'thermal' with 'thermometer', but 'thermal' describes something related to heat, not a measuring device.
近义词
heat-related (A more informal and less technical way of saying something is connected to heat.)
反义词
cooling (Refers to reducing heat rather than relating to or keeping it.)
搭配
thermal energy
|thermal insulation
|thermal clothing
|thermal camera
|thermal conductivity
主题
science
|technology
|daily life
|core_vocabulary
例句
- The engineer measured the thermal properties of the new material.
- I bought a thermal jacket for my trip to the mountains.
- Thermal imaging can detect people in complete darkness.
- The building uses thermal insulation to save energy.
- Thermal energy from the sun powers the system.
学习者例句
- This blanket gives good thermal protection.
- I wear thermal socks in winter.
- The thermal camera can see heat.
- The house has thermal windows.
- We studied thermal energy in science class.
名词
technical
B2
entity
2
Rising column of warm air
A movement of warm air going up into the sky, used by birds or people flying without engines.
用法模式：
[a] thermal
常见错误：
Learners may confuse this with 'thermal' meaning heat-related clothing; context usually clarifies.
近义词
updraft (More general term for rising air, not necessarily warm.)
反义词
downdraft (A downward current of air, opposite of a rising warm current.)
搭配
ride a thermal
|catch a thermal
|thermal lift
主题
science
|nature
|aviation
|travel
例句
- The eagle circled in a thermal for several minutes.
- Gliders often use thermals to stay in the air longer.
- Thermals form over sun-heated ground on clear days.
学习者例句
- The bird flew up on a thermal.
- Gliders can go higher when they find a thermal.
- A thermal is warm air going up.
语法
词典原形
thermal
IPA
GB/θˈɚməl/
US/θˈɚməl/
音节与重音
thermal （1 个音节）
Stress on 1st syllable (thermal)
词形变化
Adjective
- Base: thermal
Noun
- Base: thermal
- Plural: thermals
词族
Forms
thermals
noun
Core family
thermally
adverb
Related words
Negative and opposite forms
nonthermal
adjective
Advanced or less common
thermodynamics
noun
thermodynamic
adjective
相关表达
thermal conductivity
1/θˈɚməl kˌɑndˌʌktˈɪvəti/
fixed phrase
technical
Ability of material to pass heat through it
How easily heat moves through a material.
例句
- Copper has high thermal conductivity, so it heats quickly.
- Thermal conductivity is important in cooking pans.
thermal energy
1/θˈɚməl ˈɛnɚd͡ʒi/
fixed phrase
technical
Energy from heat in matter
Energy that comes from heat inside something.
例句
- Solar panels can convert sunlight into thermal energy.
- Boiling water contains a lot of thermal energy.
thermal imaging
1/θˈɚməl ˈɪmɪd͡ʒɪŋ/
fixed phrase
technical
Seeing heat with special cameras
Using a special camera to see where heat is.
例句
- Thermal imaging can find people in dark places.
- Firefighters use thermal imaging to see through smoke.
thermal shock
1/θˈɚməl ʃˈɑk/
fixed phrase
technical
Damage from quick temperature change
When something breaks because it gets hot or cold too fast.
例句
- Pouring cold water on hot glass can cause thermal shock.
- Thermal shock damaged the machine's parts.
thermal insulation
1/θˈɚməl ˌɪnsəlˈeɪʃən/
fixed phrase
insulation that controls heat flow
Insulation that is used to stop heat moving from one place to another.
例句
- Good thermal insulation in the walls keeps the house warm in winter and cool in summer.
- The sleeping bag offers excellent thermal insulation even in freezing temperatures.
- Builders now focus on improving thermal insulation to cut energy costs.
thermal insulation
2/θˈɚməl ˌɪnsəlˈeɪʃən/
fixed phrase
technical
Material that stops heat loss or gain
A material that keeps heat from moving in or out.
例句
- The walls are filled with thermal insulation to keep the house warm.
- Good thermal insulation can lower heating costs.