motion sensor

예문: 
The bank's security system included a motion sensor that could detect the movement of intruders.
Intel Free Press
https://flic.kr/p/cSweR7
포토 라이센스: 
CC: Attribution, Commercial Use
Regionalism: 
Neutral
Regional variant: 
Neutral
Full Expression: 
: motion sensor
French
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No
Spanish
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No
독일어
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No
Portuguese
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No

a device that contains a physical mechanism or electronic sensor that tracks motion

중국어
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No
이탈리아어
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No
Alsacien
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No
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