| 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 |