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。

Fires thin out the dense, flammable undergrowth.

野火使原本茂密、易燃的树丛变得稀疏。

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，所以没有足够的物质可以被点燃和看到。

Up this high, the trees start to thin out.

这里海拔高，树木都开始变得稀疏了。

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

过去，较小的火灾通常是自然发生的，这会使森林变得稀疏。

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。

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

湖床干了又湿，兽群数量减了又增。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.

因为凌晨两点以后还有地铁运行，所以客流量得到了缓解。

As you get further down, the oil thins out.

当你继续往下走时， 油会变稀。

Thinning out the forest lowers the fire risk the forest around the french meadows reservoir belongs to the US forest service.

砍伐森林降低了火灾风险，法国草地水库周围的森林属于美国林业局。

" Not hardly, " said Crabb. " We're close now. See, the woods is thinning out. We're near the narrow sea" .

" 根本没有，" 克莱勃反对。" 不过我们快到了，看哪，树木越来越稀疏，靠近狭海了。"

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

我在做的时候正在把它变薄。

The crowd has thinned out in here.

这边人变少了。

” The clouds thinned out a little more.

” 云层又薄了一些。

The crowd had thinned out and only a few tables were occupied.

人群已经稀疏， 只有几张桌子被占用。

The crowd had thinned out and only a few people were left.

【thin】人群渐渐散去，只剩下几个人了。

But finally the underbrush thinned out. The smell of smoke was stronger now.

但最后灌木丛变稀疏了。烟味现在更浓了。

When the crowd finally thinned out, Amy looked up to see Brett coming toward her.

当人群终于散去时，艾米抬起头，看到布雷特朝她走来。

This place isn't going to be around forever, I mean look at him, He's thinned out the population.

这个地方不会永远存在，我的意思是看看他，他已经减少了人口。

With heart failure, we saw that sometimes the muscle wall can stretch and thin out, or sometimes it can sometimes thicken and become ischemic.

出现心力衰竭后，我们有时能观察到心壁会伸展和变薄，有时也会变厚，而导致缺血。