The trapped carbon strengthens the concrete and keeps the gas out of the air.

将碳注入生混凝土中，既增强了混凝土的强度，又把二氧化碳与空气隔离开来。

But the trickier part is getting the gas out and turning it into money.

但钻出油气、售卖换钱的过程十分不易。

Up next, the controversial method of getting oil and natural gas out of the earth.

接下来，我们关注获取石油及天然气饱受争议的方法。

Volcanoes create new land as material wells out, but they also pump gas out of the Earth too.

火山中流出的物质会形成新的陆地，但它们也喷出地球内部的气体。

That's why any bag of coffee will have a little valve on it that you can squeeze the gas out off.

这就是为什么任何一袋咖啡都会有一个小阀门，你可以把气体挤出来。

For instance, he's excited about a speaker who's exploring how to use agriculture to pull greenhouse gases out of the atmosphere.

比如演讲者正在探索利用农业将温室气体抽出大气，他表示非常兴奋。

Last step, exhaust valve opens, piston travels up, it forces that spent burnt gases out your exhaust pipe, out into the atmosphere.

最后一步，排气阀打开，活塞向上移动，它迫使燃烧过的气体从排气管向下进入大气。

See, if there's a greater concentration of some gas in your blood than in your lungs, you'll start to breathe that gas out.

如果你的血液中的某种气体浓度比你的肺部中的浓度更高，那么你将开始将这些气体吸出。

The first is Wall Street standing in the way of getting more gas out of the ground.

首先是华尔街阻碍从地下开采更多天然气。

If a pupfish doesn't fart this gas out, it becomes buoyant— making it easy prey for passing birds.

如果一条鳉鱼不把这种气体放出去，它就会浮起来——很容易成为路过的鸟类的猎物。

Two different chemists in the 19th century left vinyl chlorine gas out in the sun, to discover that over time it transforms into a white solid.

19世纪，两位化学家将氯乙烯气放在阳光下暴晒，一段时间后发现它变成了白色固体。

The reason that I'm convinced that this is going to happen is that unless we get the gas out of the air, it is going to keep driving adverse consequences.

让我相信这个计划会实现的原因是，除非我们能够将温室气体排出大气，不然会继续带来不良的后果。

Gas stations have very large tanks underneath the ground, and you have to pump the gas, or get the gas out of the tank into your car's gas tank.

加油站在地下有非常大的油箱，你必须用泵抽气， 或者把油从油箱里抽到你汽车的油箱里。

The only question was, could they pull all that gas out of the ground and make peace with environmentalists and Indian tribes to save one of America's last great landscapes?

唯一的问题是，他们能否将所有这些气体从地下抽出，并与环保主义者和印第安部落和平相处，以拯救美国最后的壮丽景观之一？

Tail-mounted engines work much as any powerplant. They take in lots of air, compress it, add fuel and ignite it. They then expel the  resulting gases out the back at a very high speed.

尾部安装的发动机与任何动力装置一样工作。他们吸入大量空气，压缩它，添加燃料并点燃它。然后，它们以非常高的速度将产生的气体从背部排出。

Raffles got his overcoat, a long, light driving-coat, I remember, and even as he put it on our fugitive was dozing in the chair; we left him murmuring incoherently, with the gas out, and his bare feet toasting.

莱佛士拿到了他的大衣，我记得是一件又长又轻的驾车大衣，就在他穿上大衣的时候，我们的逃亡者正在椅子上打瞌睡；我们让他语无伦次地喃喃自语，没有气，他的赤脚在烤面包。