名词
中文翻译：面罩
同义词：
['mask', 'face covering', 'facial protection例句：1. We need to wear face masks when we go out in public.（当我们外出时，我们需要戴口罩。）']
例句：
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1. We need to wear face masks when we go out in public.
当我们外出时，我们需要戴口罩。
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2. The doctor advised everyone to wear a face mask when they enter the hospital.
医生建议每个人都在进入医院时戴上口罩。
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3. The epidemic has made it necessary for everyone to wear face masks in public places.
这场疫情使得在公共场所佩戴口罩变得必要了。