sensor
US
UK sensor n: (electronic device that detects [sth])
SC 传感器 chuán gǎn qì
TC 感知器
TC 感知器
SC 感应器 chuán gǎn qì，gǎn yìng qì
A sensor detects whether the lid is open or closed.
motion sensor n: (device that detects movement)
SC 运动传感器
The motion sensor turns on the lights automatically whenever someone enters the room.
reed sensor n: (detection device)
SC 磁簧传感器
SC 簧感应