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trip-wire的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 trip wire:
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a small military force that serves as a first line of defense; if they become engaged in hostilities it will trigger the intervention of stronger military forces
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a wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped over
