"Big deep breaths in through your nose and out through your mouth." Chronic obstructive pulmonary disease includes emphysema and chronic bronchitis, as well as asthmatic bronchitis.
VOA: special.2010.06.23
You shouldn't be able to hear very much either, and it mustn't have been too delightful to breathe out of the thing, although your nose is free, but it's covered by a nose piece.
而且也听不见什么了,同时,戴着头盔呼吸也不是很顺畅,虽然鼻子并不受束缚,但是上面有一块小薄片覆盖着
This can help a worker keep his nose clean or stay out of trouble.
VOA: special.2009.09.13
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