sensor
sensor — 名詞
1. an electronic component that detects physical conditions such as light, heat, mo
感測器
偵測光、熱、壓力等物理變化的裝置
an electronic component that detects physical conditions such as light, heat, motion, or pressure, and produces a signal or triggers an action in response.
A motion sensor in the hallway turns on the lights when Selim walks past.
當有人走過時，Selim 家走廊的感測器就會把燈打開。
collocation: motion sensor
Meera placed a temperature sensor in the living room to monitor heat from the fireplace.
Meera 在客廳放了一個溫度感測器，用來監測壁爐的熱度。
collocation: temperature sensor
The factory uses pressure sensors to check whether the pipes are working correctly.
這間工廠用壓力感測器來檢查管線是否正常運作。
A sensor at the back of Lan's car beeps when another vehicle gets too close.
Lan 的車後方有一個感測器，當有其他車輛太靠近時就會發出嗶嗶聲。
Niran wears a heart-rate sensor on his wrist during his morning run.
Niran 晨跑時會在手腕上戴一個心率感測器。
- detector
Broader in scope; often used for specific substances (smoke detector, metal detector) rather than physical conditions.
- gauge
Measures the magnitude or level of a specific property (fuel gauge, pressure gauge) rather than detecting presence or change.
- probe
A sensor that is inserted directly into a system or substance to collect data; implies close contact.
文法句型
sensor + for + [what is detected]
sensor + that + [detection clause]
[noun] + sensor (compound noun)
用法筆記
The noun specifying what the sensor detects usually comes directly before the word 'sensor' in a compound structure, e.g. motion sensor, light sensor, pressure sensor, or smoke sensor.