body cam
noun [ C ] uk/ˈbɒd.i ˌkæm/ us/ˈbɑː.di ˌkæm/
(戴在人身体前面的)随身摄像机
a small video camera worn on the front of a person's body
The police officer was wearing a body cam that recorded the interaction. 警察戴着随身摄像机,记录下了双方的行为。
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