To counteract this oxygen would have to be diluted with non reactive gas.

为了制造这种情况，氧气中的空气比率需要利用惰性气体来降低。

Manufacturing flat screens adds greenhouse gases to the atmosphere.

生产平板电视会向大气中排放温室气体。

But there were some scuffles with police who fired tear gas.

但是有些人与发射催泪瓦斯的警察发生了冲突。

Officials using tear gas to break up the crowd.

官员们使用催泪瓦斯驱散人群。

Would you please fill some gas for me?

帮我加些油吗？

" To turn off the gas in my room" !

" 忘了把我屋里的煤气关上了。"

Can you turn the gas off for me?

可以帮我关掉煤气吗？

It is heated until it becomes a gas.

然后再加热使之变为气体。

Not yet. The chemical factory produces terrible gas.

还没有。那家化学工厂产生的气体太糟糕了。

Nature is gobbling greenhouse gas every day.

大自然每天都在大量吸收温室气体。

Heating this chemical compound drives off carbon dioxide gas leaving calcium oxide.

加热这种化物会驱除二氧化碳气体，留下氧化钙。

We use hydrogen gas as the source of electrons.

我们用氢气作为电子的来源。

Now, the ice is mainly frozen gas, not water.

那么现在呢，这块冰主要是固态气体，不是水。

Security forces fired tear gas to disperse the crowd.

安全部队发射了催泪瓦斯驱散人群。

There is no exhaust gas. The only byproducts are electricity heat and water.

没有废气。唯一的副产品是电、热和水。

Closer in the asteroid belt, these are rocks not gas.

小行星靠近小行星带，它们是岩石而非气体。

French riot police fired tear gas at people who were hurling stones.

难民向警方投掷石块，防爆部队使用催泪弹回击。

Riot police also fired tear gas in two Nairobi slums.

防暴警察向内罗毕的两处贫民窟投掷催泪瓦斯。

Well, fart is simple a gas coming from your intestines.

答案很简单，它其实是一种肠道产生的气体。

Carbon dioxide is a gas that contributes to climate change.

" carbon dioxide" （二氧化碳）是一种导致气候变化的气体。