我为他表演了10分钟，逗得他透过氧气罩和呼吸管发笑。
And I entertained him for 10 minutes, laughing through his oxygen mask and respirator.
她通过氧气罩微弱地呼吸着，轻声地问道“我父亲在哪？”
“Where is my father? ” she whispers through shallow breaths in her oxygen mask.
研究已经表明持续气道正压通气鼻罩治疗阻塞性睡眠呼吸暂停综合症是十分有效的。
Studies have shown CPAP masks to be extremely effective in treating sleep apnea.
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