英语词汇氧气面罩是什么意思，氧气面罩的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	氧气面罩
释义	ENGLISH PHRASES 英文词组〔aid〕breathe with the aid of an oxygen mask 借助氧气面罩呼吸英汉大词典
随便看	securities and exchanges commission securities and investment securities and properties in trust reserve securities business securities company securities cost securities dealers securities dealers securities exchange securities exchange Securities Exchanges Act securities finance company securities firm securities house securities industry securities industry securities investment ledger securities investment trust securities issue securities issue securities issued securities ledger securities market securities market securities market

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