名词中文翻译
中文翻译：保护头盔
同义词：
['safety helmet', 'crash helmet', 'safety vest']
例句：
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1. Hewas wearing a protection helmet when he fell from the scaffolding.
他摔下脚手架时戴着一个保护头盔。
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2.The driver wore a safety helmet while driving on the highway.
在高速公路上开车时，司机戴着安全头盔。
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3. The firefighter used a crash helmet to protect his head during the rescue operation.
消防员在救援行动中使用了防撞头盔来保护头部。