When you reach the top of the mountain, you'll find it difficult to take in air.

当你到达山顶时，就会发现呼吸困难。

It's very hard for the climbers to take in air as they get near the top of Qomolangma.

当攀登者接近珠穆朗玛峰的顶部时，他们很难吸入空气。

To suck or take in air, for example; inhale.

气泵吸进了大量的空气。

Whales take in air through blowholes near the tops of their heads.

鲸鱼是地球上最有趣的动物之一。

When we panic, our bodies naturally begin to take in air incorrectly.

我们恐慌的时候，身体会自然地开始不正确的呼吸。

You may need to force the stomach to expand and watch how you automatically take in air.

你可能需要强迫你的腹部来扩充来看着你怎么自如的吸进空气。

These curious and happy seals gather around airholes, which they use to take in air after hunting or playing underwater.

在水下捕食或者玩耍的时候，这些奇怪而又看起来很开心的海豹会聚集在冰层的破洞附近，以便探出头去喘口气。

Once they are out on the street, the cars will take in air and replace it with poisonous gases. Again, more smoke and soot.

汽车一旦出厂在街上行驶，将会吸进空气，排出有毒的气体，再次增加空气中的烟尘。

The bronchi supply air and pulmonary arteriessupply blood to the lungs. Together they take in air from theatmosphere, oxygenate the blood, and excrete the carbon dioxide backout of the body.

由支气管供应空气，而肺动脉完成对肺部的供血，它们俩协同工作将将空气中的氧气溶入血液，并将二氧化碳排出体外。

I'm not at all sure that he would take to all that fresh air and exercise in the long grass.

我一点也不确定他会喜欢新鲜空气，并在茂盛的草丛里锻炼身体。

Stamps become yellow easily and rapidly after they take in wet air.

邮票吸入湿空气后容易迅速发黄。

He told them to take it off and keep me out in the fresh air.

他要求他们把它取下来，让我出去呼吸新鲜空气。

The reality for many U.S. air travelers is that most of their journeys take place on planes that have been in service for a decade or more.

关于很多航空旅客的事实是，他们大部分的旅程都是在已经服役了10年或以上的飞机上进行的。

Trees can take in CO2 in the air and stop global warming.

树木可以吸收空气中的二氧化碳，阻止全球变暖。

To take exercise in doors is less beneficial than in the open air.

在室内锻炼不如在室外锻炼更有益。

Another way is to make such fuels from plants which take in carbon from the air.

另一种方法是用从空气中吸收碳的植物来制造这种燃料。

When frogs are not in water, their bodies can take air through their skin.

当青蛙不在水里时，它们的身体可以通过皮肤吸收空气。

With fresh air to breathe, less crowded living conditions, and more chances to take part in physical exercise, children in the country are usually healthier than those in the city.

乡下的孩子有新鲜的空气可以呼吸，生活环境不那么拥挤，有更多的机会参加体育锻炼，所以他们通常比城市中的孩子健康。

If you must dry-clean your clothes, take them out of the plastic bag and air them outside or in another room before wearing.

如果你必须干洗你的衣服，穿之前请把它们拿出塑料袋并在另一个房间通风。

He told the crowd that the drug would best take effect when consumed regularly in an environment with clean air.

他告诉群众当在一个拥有干净空气的环境中服用的时候，这种药服才会能起到最好的效果。

If we take a pen and hold it in the air and let go off it, before it's fallen the proposition that it will fall when released is a matter of fact.

如果我们在空中举起一支笔，然后放手，在它落地之前，它是否真正会落地呢，关于实体物质的命题就这个产生了。

Trees take in carbon dioxide from the air and make oxygen. That's important.

树木可以吸收二氧化碳，并释放氧气，这非常重要。

Take a deep, slow breath, taking in as much air as you can as slowly as you can.

深深地，慢慢地呼吸，尽量慢，尽量吸入更多的空气。

Deep belly breathing allows you to take in more air.

腹部深呼吸让你吸进更多的空气。

There is, in fact, no market mechanism to take account of the cost of polluting the air and water in Hengjiang.

其实，在横江，根本就没有市场机制来顾及当地的空气污染成本和水污染成本。

In two of them, (if they air at all), I will take a time machine and go traveling.

在它们的两个中(除非都停播了)，我会带着时间机器去旅行。

“Plants take substances out of the air through the tiny openings in their leaves,” Wolverton said.

“植物通过叶片上的小孔吸收空气中的有害物质，” 沃尔弗顿说。