名词
中文翻译：防护面具
同义词：
['protective gear', 'safety mask']
例句：
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1.He wore a protective mask to protect himself from the dust.
他戴着一个防护面具来保护自己免受灰尘的侵害。
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2. During the pandemic, people were required to wear protective masks in public places.
在疫情期间，人们被要求在公共场所佩戴防护面具。
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3. The firefighters used protective masks to prevent themselves from breathing in the toxic fumes.
消防员们使用防护面具来防止自己吸入有毒的烟雾。