单词 | 口罩 |
释义 | 〔respirator〕A screenlike device worn over the mouth or nose or both to protect the respiratory tract.口罩,呼吸保护器:戴在嘴上或鼻子上或同时戴在口、鼻上的屏罩似的设备,以用于保护呼吸道〔mask〕A covering worn over the nose and mouth, as by a surgeon or dentist, to prevent infection.口罩:外科医生或牙医佩戴的防止感染的覆盖物 |
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