名词
中文翻译：防护帽
同义词：
['protective helmet', 'safety helmet']
例句：
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1.The workers wore protective caps to protect their heads from the falling debris.
工人们戴着防护帽，以防头部受到坠落碎片的伤害。
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2.He put on his protective cap and gloves before starting the engine.
他戴上防护帽和手套，然后启动了引擎。
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3.The firefighters wore protective caps to protect their faces from the intense heat.
消防员们戴着防护帽，以防面部被高温灼伤。