By the time she came back, the queue had thinned out a little.

等她回来时，排队的人已经少了一点。

Fires thin out the dense, flammable undergrowth.

野使原本茂密、易燃的树丛变得稀疏。

Eventually, the gas expands so much it thins out, and it stops glowing.

最终，气体会膨胀到变薄，停止发光。

The uterine walls are really thinned out.

子宫壁会变得非常薄。

You can't leave until the crowd thins out, 'cause you just keep bumping into people.

在人群散去之前你不能离开，因为你总是撞到人。

Smaller fires used to happen naturally which thinned out the forests.

过去，较小的常是自然发生的，这会使森林变得稀疏。

Lake beds evaporated and then filled, herds thinned out and then grew bigger.

湖床干了又湿，兽群数量减了又。大地被阳光炙烤后，又被雨水淹没。

You had full trains well past 2, and then things seemed to thin out.

因为凌晨两点后还有地铁运行，所量得到了缓解。

Up this high, the trees start to thin out.

这里海拔高，树木都开始变得稀疏了。

Thin the top out a little, but just a little.

头顶部分可打薄一点，不过只剪一点就好。

But it's not clear that instructors can foster a love of reading by thinning out the syllabus.

但目前尚不清楚教师能否过精简教学大纲来培养学生对阅读的热爱。

As the universe expands, dark matter thins out until it can no longer compete with dark energy.

随着宇宙的膨胀，暗物质越来越稀薄，最后无法再与暗能量抗衡。

Sometimes that's because the gas thins out, so there's not enough stuff there to get lit and see.

有时那是因为气体变稀薄了，所没有足够的物质可被点燃和看到。

In the case of the universe, things didn't thin out enough for light to escape until much later.

就宇宙而言，直到很久后，物质才变得足够薄，光才会逸出。

Illicit logging, mostly for building materials to house the region's booming population, has thinned out the periphery of the forest.

为了给急剧加的人口提供住房，人们大量砍伐树木，当作建筑材料，造成了红树林边缘的退化。

But then for decorating you can thin it out a little bit.

但在装饰时，你可稍微稀释一下。

We're able to thin out the building so it's transparent, the facade itself.

我们可使建筑变得透明，即它的外墙。

As you get further down, the oil thins out.

当你继续往下走时， 油会变稀。

The numbers will thin out as they go out and start collecting.

随着它们外出并开始采集，数量会逐渐减少。

And I'm thinning it out as I'm doing it.

我在做的时候正在把它变薄。