Often, the first treatment doctors will recommend is a Continuous Positive airway Pressure (CPAP) device, a specially designed nasal mask that blows air directly into your airways.

通常，医生们会推荐的第一个治疗方案是持续气道正压通气设备，它是用来一个特别设计的直接向气道吹气的鼻罩。

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Or sleep deprivation could mask the positive cognitive effects.

或者睡眠不足可能也会掩盖积极的认知效果。

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Do this work no matter what it takes, and you will be surprised at how much positive energy is revealed as the mask of victimhood falls away.

摘掉了弱者、受害者的面具，你会获得令你意想不到的正面能量。

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The mask tested positive for ricin.

CNN: Mississippi man indicted in case of ricin letters to Obama, others

An affidavit says authorities found a dust mask and other items that tested positive for ricin.

NPR: 10 Things To Know For Wednesday

Three subsequent tests of the mask by the National Bioforensic Analysis Center came back positive for ricin, the document states.

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