Oxygen was making this possible before as well.

氧气之前也能把天空黑。

Eventually, the lights come up and the rectangular screen goes black.

最，灯光亮起，长方形的屏幕黑。

Burnout, you might think of a candle's blackened, shriveled, worn-out wick.

关于过度劳累，你可能会想到黑、皱缩、破损的蜡烛灯芯。

Over the next few billion years, it'll cool and fade to black.

在接下来的几十亿年里，它会冷却并逐渐黑。

The melanin is what darkens your skin.

黑色素使黑。

Can that room get dark real fast, and an attack it launched?

那个房间会很快黑，发动攻击吗？

I heard my men going after him with their guns and then everything went black.

我听见我的人开枪追赶他，切都黑了。

The melanin levels in a baby's eyes determine how dark their eyes become.

婴儿眼睛中的黑色素水平决定了他们的眼睛黑的程度。

It was the day their profits went from red to black — so they said.

他们说，这天是他们的利润从红黑的日子，也就是他们盈利的日子。

His heart pumped so little blood that when Yazan cried, his skin would turn black.

他的心脏泵出的血很少，所以当雅赞哭的时候，他的就会黑。

Whoa! It's the middle of the day, so why is the sky getting dark?

哇！现在是中午，为什么天黑了？

Everywhere turned black meanwhile sought to be sunshine.

所有的地方都黑了，找不到阳光。

See the color of the pewter now it's turning kind of black looking see it?

看到锡的颜色了吗？它看起来有点黑了，看到了吗？

They did not understand why the sun became dark.

他们不知道为什么太阳会黑。

Dead, brown fields bitten by frost are more common, too.

许多农田遭到霜冻的破坏黑，或者是死亡，这些都非常常见。

As he stepped onto the scales, his face immediately darkened.

当他踏上秤时，他的脸立刻黑了。

It was darkening each instant, and there was no time to waste.

天逐渐黑，我们没时间了。

No, first they turn black and necrotic, and then they fall off.

不，手指先会黑坏死，才掉下来。

I put banana slices on my oatmeal, but never from a brown banana.

我把香蕉片放在燕麦粥上，但从不使用黑的香蕉。

Right, he doesn't like those brown ripe bananas.

是的，他不喜欢那些熟透黑的香蕉。