It enters the windpipe and moves through the lungs toward the tail, then back out the nostrils through the windpipe.
气体从气管进入通过肺部到达尾部，然后又通过气管从鼻孔排出。
The measles virus normally grows in the cells that line the back of the throat and lungs.
麻疹病毒通常生长在咽喉后部和肺部细胞内。
The parts of the body that require special attention are the muscles of the shoulder and arms, abdomen and back, legs, and the heart, lungs and blood vessels.
锻炼期间我们要注意肩部，手臂，腹部，后背，腿部的肌肉，以及心脏，肺和血管。
This is quite amazing - and we hold back on the lungs with the muscles.
这个控制过程是相当惊人的-我们控制肺部的肌肉不让空气一下子都跑出来。
Leaning gives you an extra bit of leverage from your back, and an extra bit of buoyancy from leaning on your lungs.
因为后顷时，你的背能为你提供额外的上举力量，你的肺也会在你后顷时提供额外的浮力。
Heat applied to the arms and legs forces cold blood back toward the heart, lungs and brain, causing the core body temperature to drop.
对手臂与腿部的加热会促使温度过低的血液流回心脏、肺部与大脑，这样会引起核心体温的降低。
The hot days and cold nights of the desert hurt his windpipe and lungs and gave him bad asthma. His back and legs were failing too.
白天酷热、夜晚又寒冷的沙漠气候，毁了他的支气管和肺，他患了严重的哮喘病，腰腿也日益不中用了。
At first, pressure in the heart rises and blood and fluid back up into your lungs. You will feel short of breath and get tired easily.
开始时，心脏内的压力升高，血液和液体阻塞在肺部，您会觉得呼吸短促，而且很容易疲倦。
Both boys broke into song, singing at the top of their lungs. Moments later, a neighbor threw open her window and shouted, 'It is twelve o 'clock. You must go back home now!'
两个男孩开始唱歌，一会儿，一个邻居伸出头来说“现在是十二点，你们该回家了！”
Both boys broke into song, singing at the top of their lungs. Moments later, a neighbor threw open her window and shouted, 'It is twelve o 'clock. You must go back home now!'
两个男孩开始唱歌，一会儿，一个邻居伸出头来说“现在是十二点，你们该回家了！”
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