I don't like hanging around here after it goes dark.

天黑后我不喜欢在这里逛了。

youdao

One reason to believe dark matter exists is that galaxies rotate at such speeds that they would fly apart without it, or so the argument goes.

一个让我们相信暗物质存在的理由是，如果暗物质不存在的话，星系照现在的速度自转，它们早就分崩离析了，但是对此也无定论。

youdao

Then on Saturday afternoon he goes down to the river and fishes until it is dark.

然后，星期六的下午，他就去河边钓鱼，一直钓到天黑。

youdao

To me it captures the spirit of the California cabernet style that put Napa on the map: it is big, dark, rich and fruity, the kind of wine that goes great with red meat, but in the case of Caymus, it is so delicious and so well structured it is equally good on its own.

FORBES: Caymus, A Wine Lover's All-Time Favorite Wine