sensor
gb/sˈɛnsɚ/ us/sˈɛnsɚ/
B1
英语
~ 4900
义项
0 个义项
名词
technical
B1
entity
1
Device detecting physical changes
A machine part that finds changes like light, heat, or movement and sends information about them.
用法模式：
[sensor] detects [something]
常见错误：
Learners sometimes confuse 'sensor' with 'censor' (to remove offensive content) because they sound similar but have very different meanings.
近义词
detector (A general term for any device that discovers or measures something; may be less specific than 'sensor'.)
|
transducer (A technical term for a device that converts one form of energy into another; can include sensors but is broader.)
反义词
actuator (An opposite in function; an actuator causes movement or action rather than detecting it.)
搭配
motion sensor
|temperature sensor
|light sensor
|pressure sensor
|proximity sensor
主题
technology
|science
|engineering
|core_vocabulary
例句
- The motion sensor turned on the lights when someone entered the room.
- Modern smartphones have a light sensor to adjust screen brightness automatically.
- The smoke sensor triggered the alarm during the fire drill.
- A temperature sensor controls the heating system in the house.
- The car's parking system uses ultrasonic sensors to detect obstacles.
学习者例句
- The door opens when the sensor sees you.
- My phone has a sensor for light.
- The fire sensor makes a loud sound.
- The car uses sensors to stop before hitting something.
语法
词典原形
sensor
IPA
GB/sˈɛnsɚ/
US/sˈɛnsɚ/
音节与重音
sensor （1 个音节）
Stress on 1st syllable (sensor)
词形变化
Noun
- Base: sensor
- Plural: sensors
词族
Forms
sensors
noun
Core family
Negative and opposite forms
insensitive
adjective B2
insensitivity
noun
Advanced or less common
sensational
adjective
相关表达
motion sensor
1/mˈoʊʃən sˈɛnsɚ/
fixed phrase
technical
Sensor detecting movement
A device that knows when something moves.
例句
- The hallway lights are controlled by a motion sensor.
- A motion sensor activated the camera when someone walked past.
smoke sensor
1/smˈoʊk sˈɛnsɚ/
fixed phrase
technical
Sensor detecting smoke
A device that finds smoke in the air and can warn people.
例句
- The smoke sensor went off during cooking.
- Every room in the hotel has a smoke sensor for safety.
temperature sensor
1/tˈɛmpɚɪt͡ʃɚ sˈɛnsɚ/
fixed phrase
technical
Sensor measuring temperature
A device that measures how hot or cold something is.
例句
- The temperature sensor turns on the fan when it gets too warm.
- A temperature sensor in the fridge keeps food fresh.