名词中文翻译
中文翻译：防弹背心
同义词：
['body armor', 'protective vest']
例句：
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1.He was wearing a body armor when he entered the room.
他进入房间时穿着一件防弹背心。
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2. The soldier had to wear protective vests while on duty.
士兵在值班时必须穿防护背心。
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3.The policeman was wearing a body armor during the riot.
警察在骚乱中穿着防弹背心。