名词
中文翻译：钢盔
同义词：
['steel cap', 'steel visor例句：1. He was wearing a steel helmet when he fell from the roof.（他坠落时戴着钢盔。）']
例句：
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1. He was wearing a steel helmet when he fell from the roof.
他坠落时戴着钢盔。
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2.The soldier had to wear a steel helmet during the battle.
士兵在战斗中必须戴钢盔。
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3.The firefighters were wearing steel helmets when they entered the burning building.
消防员进入燃烧的大楼时都戴着钢盔。