But the reef-like structures dry out and turn gray when exposed to air.

但当这种像礁石一样的结构暴露在空气中时，它们会变干并变成灰色。

Termites are found in dark, damp areas whereby they are not exposed to air.

白蚁常见于阴暗、潮湿的环境，因此，它们不暴露在空气中。

That's because my clear, milky juice turns dark when it's exposed to air.

这是因为，我清澈的乳白色汁液暴露在空气中会变黑。

The strong smell of many glues comes from the solvent, which evaporates when exposed to air.

许多胶水强烈的气味来自于它的溶剂，当暴露于空气中时会发生挥发。

After being exposed to air during excavation, the coating under the paint began to fall off.

在挖掘过程中暴露在空气中后，油漆下面的涂层开始脱落。

The stuff that's been exposed to air dries out to a blackish color hence the name.

暴露在空气中的物质会变干，变成黑色，这也是其名字的由来。

So, almost everybody is exposed to air pollution.

所以，几乎每个人都暴露在空气污染中。

Researchers say women in greener areas spent more time with other people, exercised more and were less exposed to air pollution.

生活在绿化率高的地区的女性会花时间与其他人接触，还会经常锻炼身体，接触污染空气的机会少。

Another issue is that active ingredients can break down, especially when exposed to air and light, Dr. Chapas said.

查帕斯博士说，另一个问题是活性成分可能会分解，特别是当暴露在空气和光线中时。

The interesting thing about real wasabi is that once it's exposed to air, it starts to lose its pungence.

真正的芥末的有趣之处在于， 一旦它暴露在空气中， 它就会开始失去辛辣味。

It says that if all other factors are equal, a body exposed to air decomposes twice as fast as one immersed in water.

根据此定律，若是所有其他因素皆相同，暴露至空气中的尸体分解速度会是在水中尸体的两倍快。

You could technically, but it's meant for display, so the icing on the outside, when it's exposed to air, becomes very firm like concrete.

从技术上讲，是可以的，但它是用来展示的，所以外面的糖霜，如果暴露在空气中时，会变得像混凝土一样十分坚固。

Your book is exposed to air and it can oxidize, and then what you see in your book can visually change when you look at it.

你的书暴露在空气中会氧化，然后，当你看书时，你在书中看到的东西会发生视觉上的变化。

So for example, when you are exposed to air pollution one of the things that could happen is you could get lung cancer.

因此，例如，当您暴露于空气污染时，可能发生的事情之一就是您可能会患上肺癌。

It says that if all other factors are equal, a body exposed to air decomposes twice as fast as one immersed in water and eight times as fast as one buried in earth.

也就是，其它的因素不变，暴露在空气中的尸体的分解速度是浸入水中的两倍，是埋入土中的8倍。

But once he overcomes his fear of following his new friend onto a beach, he discovers that sea monsters instantaneously take on a human form when they are exposed to air.

但是当他克服了跟随新朋友去海滩的恐惧后，他发现海怪暴露在空气中时会立即变成人形。