Mouth breathing can be a problem, especially in the winter.
张口呼吸本身就对健康不利，在冬季尤甚。
After he gave the lady mouth-to-mouth breathing, Mrs Beet came to herself soon.
比特夫人在他进行人工呼吸之后，方才很快地苏醒过来。
He was breathing through his open mouth.
他张着嘴呼吸。
After releasing your nose, while sitting, resume your breathing but keep the mouth closed.
然后放开你的鼻子，恢复呼吸。记得保持嘴巴紧闭。
Open them just far enough, just like you are regularly breathing through your mouth.
最长得够大就可以了，能足够你可以用你的嘴呼吸的大小就成。
You can often save a person's life by breathing into his mouth.
采用口对口呼吸常能抢救一个人的生命。
You get oxygen by breathing air in through your nose and mouth.
你通过鼻子和嘴巴呼吸空气来得到氧气。
I must try to start his breathing at once by using the mouth-to-mouth way.
我必须立即用口对口吹气的方法给他做人工呼吸。
Start breathing from the mouth but not deeply.
从嘴巴开始呼吸，但不是深呼吸。
You could fall down, sneeze, get dry mouth, have shallow breathing, and so on.
你可能会摔倒，打喷嚏，嘴巴干渴，喘气等等。
You could fall down, sneeze, get dry mouth, have shallow breathing, and so on.
你可能会摔倒，打喷嚏，嘴巴干渴，喘气等等。
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