Tie knots in the ribbons.

在丝带上打结。

Who wipes peanut butter off a cheek and crayon off the wall and knots an untied shoelace to avoid a likely fall?

是谁擦去脸颊上的花生酱和墙上的蜡笔画，还会把鞋带打结以防摔倒？

Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.

一旦合成，组蛋白就会进入细胞核，细胞核内的 DNA 片段会将组蛋白包裹起来，形成一种类似串珠或绳结的结构。

His stomach was in knots.

他的心揪得紧紧的。

My stomach was in knots.

我的心揪得紧紧的。

A ship's speed is measured in knots.

船速以节测量。

He gauged the wind at over thirty knots.

他测量出风速为30节以上。

They travel at speeds of up to 30 knots.

他们以高达30节的航速行进。

Our speed over the ground was a miserable 2.2 knots.

我们在地面上的速度只有区区的2.2节。

A carpenter often rejects half his wood because of knots or cracks.

木匠常常因为有节疤或裂缝而把一半的木材都扔掉。

Travelling at speeds of up to thirty five knots, these hovercraft can easily outpace most boats.

这些气垫船以高达每小时35海里的速度航行，很容易超过大部分船只。

Chinese knots sell very well in Lyu Min's workshop through the Internet.

中国结在吕敏的网店卖得很好。

On the front gate of each household is dotted with red Chinese knots and lanterns.

家家户户的前门都点缀着红色的中国结和灯笼。

Though the sales of Chinese knots have dropped a lot, I'm still confident that I can get out of the trouble brought by the outbreak.

虽然中国结的销量下降了很多，但我仍然有信心摆脱疫情带来的困境。

If you have difficulty answering a question, leave it and move on to the next one—don't spend time tying yourself in mental knots over each question.

如果你回答一个问题时有困难，那就别管它，继续下一个——不要把时间都花在考虑一个问题上。

She is using a length of colored string and determination to keep this traditional art of Chinese knots alive online and help more people understand the culture.

她凭借一根彩绳和坚定的信念，让中国结传统艺术在网络世界熠熠生辉，帮助更多人了解中国文化。

Lyu, an inheritor (继承人) of the art of making Chinese knots, which is listed as an intangible (非物质) cultural heritage, became a livestreaming host.

被列为非物质文化遗产的中国结制作技艺的继承人柳成为了一名直播节目主持人。

Dressed in a qipao, a traditional Chinese dress, Lyu started the livestreaming session from her workshop at 10 in the morning, sharing the art of making Chinese knots with many handicraft (手工艺) lovers.

早上十点，穿着中国的传统服装——旗袍，吕敏在自己的工作室开始了直播，和许多手工爱好者分享制作中国结的技艺。

The ship was sailing at 35 knots.

那艘船以每小时35海里的速度航行。

There are, of course, knots to be worked out.

当然，有一些难题需要解决。

It was Mrs. Hitchcock in a pink wrapper with her hair in knots around her head.

一身粉色的 Hitchcock 太太，她的头发打了发髻。

From bizarre antimatter to experiments that tie light up in knots, physics has revealed some spooky sides of our world.

从奇异的反物质到把光捆扎成结的实验，物理学已经揭示了我们世界的一些幽灵般的方面。

The ship was sailing before the wind, ten knots an hour.

轮船在顺风行驶，时速10海里。

The carbon-fiber aircraft reached a maximum speed of 68 knots (groundspeed).

碳纤维飞机达到了68节（地面速度）的最大速度。

She teased out the knots in her hair.

她梳理缠结的头发。

Then we slow to 175 knots.

之后我们降速到175海里每小时。

The ship's maximum cruising speed is 22 knots.

该船的最大巡航速度为22节。

The raft traveled at an average speed of four knots.

筏子航行时平均时速4海里。

The little boy looks very funny when he knots his eyebrows.

那个小男孩皱着眉头的样子很有趣。