需要必须说明的是一些变化的迹象。

There are, it must be said, glimpses of change.

youdao

这意味着，您不需要必须合并而保证能够将元素检入回去。

This means that you are guaranteed to be able to check the element back in without having to do a merge.

youdao

妻子卡丽是网页开发工程师，当她因工作需要必须参加会议时，瑞勒便会陪同前往。

He joined his wife, Kari, a web developer, at a summit she needed to go to for work.

youdao

You handle them very special in terms of being extra careful in a very high ventilation area, in hoods is how you handle them.

在使用它们的时候你需要格外小心,必须在通风条件非常好的地方，在通风柜中才行。

麻省理工公开课 - 化学原理课程节选

In the long run, we want The Wall Street Journal and so I guess that-- we just have to accept that.

但从长远来说,我们需要《华尔街日报》,所以我想,我们必须得接受

耶鲁公开课 - 金融市场课程节选

It would be much better if you had a reference point that didn't care where the pressure was.

我们还需要精确地定义气压,你必须知道气压的大小,当然如果我们能找到一个。

麻省理工公开课 - 热力学与动力学课程节选