And make one single line for a mistake.

如果写错了就用一条线划掉。

Then mark the corresponding letter on Answer Sheet 2 with a single line through the center.

然后用一条线标记在答题卡2上相应字母的中心。

They are hanging on to a single line of rope.

他抓住一根绳子。

Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.

然后在答题纸1上相应的字母中间划上横线。

There was just a single line and moors all around.

只有单轨铁路，周围都是荒原。

There has always been development, but not along any single line.

发展一直都存在，但是沿着任何单一的线路。

Then mark the corresponding letter on Answer Sheet 1 with a single line through the center.

并在答题纸1的对应位置上填涂相应的字母。

This caused a single line of blocks to disappear and the game to enter a permanent freeze.

这导致单行积木消失，游戏进入永久冻结状态。

Is it polyphonic with multiple lines, or is it a pure note with just a single line?

是多线复调，还是单线纯音？

Then she carried the line down, so that she had a double line instead of a single line.

然后拉着丝往下爬，这么一来，这个字就是单线而是双线了。

If all your blood vessels could be strung together in a single line, they'd stretch out for 100,000 kilometers!

如果你所有的血管都能串成一条线，它会延伸 10 万公里！

In its long history, it has never been expanded, remaining as a single loop line with a mere 15 stations.

在其漫长的历史中，它从未被扩建过，只是一条只有 15 个车站的单向环线。

Oh, I was worried about every single line.

-哦，我担心每一行。

I will never read a single line you write concerning that man.

我永远会读你写的关于那个人的一行。

Why are you singling my line out, like, a million years later?

你为什么单挑我的线, 就像, 一百万年后?

I don't need to comment every single line.

我需要评论每一行。

When we call a single line of code, like this the complexity is hidden.

当我调用一行代码时，像这样隐藏了复杂性。

So I found this artist, Carly Kuhn, who does the coolest single line portraits.

所以我找到了这位艺术家，Carly Kuhn，她创作最酷的单线肖像画。

Many a single line of the Anabasis presents a picture which deeply stirs the emotions.

《远征记》的许多单行都呈现出一幅幅震撼人心的画面。

Linley and Matt continued going forward in a single file line.

林利和马特继续单行前进。