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oxygen mask的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank
oxygen mask的用法和樣例：
例句
用作名詞 (n.)
- An oxygen mask will come down from overhead in case of emergency.
如果發生緊急情況，頭頂上會放下一只氧氣面罩。 - The car with its whirring air conditioning was like an oxygen mask.
配備了高功率空調的汽車就像一個氧氣面罩。
