名词
中文翻译：Unknown
同义词：
['protective helmet', 'armored helmet', 'helmet']
例句：
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1. The soldierwas wearing a shield hood to protect himself from the bullets.
士兵戴着护盾头盔来保护自己免受子弹的伤害。
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2.The police officer wore a protective helmet during the riot.
警察在骚乱期间戴了一副防护头盔。
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3. The astronaut donned an armored helmet before stepping onto the spacecraft.
宇航员在登上宇宙飞船之前戴上了一副装甲头盔。