空气为混合气体。
These gases cause untold damage to the environment.
这些气体对环境造成难以估计的破坏。
These materials are now known to let out harmful gases.
这些材料被公认为会释放有害气体。
It is more difficult for gases to "evaporate" from them.
气体更难从中“蒸发”出来。
They are made up of ice and other frozen liquids and gases.
它们是由冰、其他冷冻液体和气体构成。
If plastic and rubber are burnt, they'll give off poisonous gases.
要是塑料和橡胶被焚，就会放出有毒的气体。
The lack of atmosphere can cause gases in the body to expand and even burst.
没有大气层会导致人体内气体膨胀甚至炸裂。
Exactly, these gases account for nearly half the amount of greenhouse gas emissions.
确切地说，这些气体占温室气体排放量的近一半。
The problem was that the exhaust gases contain many toxins.
问题是废气含有很多毒素。
这两种气体可以混合。
所有的都是理想气体。
Oxygen and hydrogen are gases.
氧和氢都是气体。
We call air a mixture of gases.
我们把空气称为气体混合物。
这些是理想气体。
What do we know about the noble gases?
那我们对惰性气体有哪些了解呢？
Chemists study the nature of gases.
有的化学家研究气体的性质。
Air is a mixture, not a compound of gases.
空气是气体的混合物，不是化合物。
空气是几种气体的混合物。
Let's first start talking about ideal gases.
从理想气体开始。
The warm gases bubbled up through the water.
暖气从水里噗噗地冒了出来。
An example is the kinetic theory of gases.
一个例子是气体的运动理论。
They're in their world of toxic gases and spiders.
毒气有毒气的世界，蜘蛛有蜘蛛的世界。
Livestock are also a major source of greenhouse gases.
家畜还是主要的温室气体排放源。
We know greenhouse gases are the main cause of warming
我们知道温室气体是暖化主因
The apparatus can sense the presence of toxic gases.
这个仪器能够检测出有毒气体的存在。
These gases allow sunlight to enter the atmosphere freely.
这些气体让阳光自由地进入大气层。
And the answer is yes, we know something about the noble gases.
答案是肯定的，我们对惰性气体有所了解。
For real gases. This is an equation of state for an ideal gases.
我们需要描述实际气体，的状态方程。
For real gases. This is an equation of state for an ideal gases.
我们需要描述实际气体，的状态方程。
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