Studies have shown that short periods of stress can actually bolster cognitive functioning.

研究表明，短期的压实际上可以增强认知功能。

And it's only a short period of time.

而且仅仅用了很短的时间就达到了这样的效果。

A short period of time. Not enough to cover everything they could have said.

一段很短的时间。不足以涵盖他们可以说的一切。

A short period in which to get to know each other and check your compatibility.

在这一小段时间里，你们得尝试着了解彼此看是能相处得来。

You can do this for the whole year or a short period.

你可以写计划，或者短期计划。

All of this happening in a very short period of time.

所有这些都发生在很短的时间内。

Even short periods of exposure to this type of weather can be dangerous.

即使短时间暴露在这种天气下是危险的。

It is the first that so many crossed in such a short period of time.

但是是第一次这么多人在这么短的时间内越境。

That's where you get the opportunity to study full-time for short periods.

你将有机会在短时间内完成全日制的课程。

Dunking describes dipping something, like a biscuit, into liquid for a short period of time.

浸泡是指把某物，如饼干，在液体中蘸一小段时间。

Dunking means dipping into liquid for a short period of time.

浸泡是指在液体中蘸一小段时间。

They don't change a lot over a short period of time.

它们不会在短时间内发生太大变化。

We can do a lot in a short period of time.

我们在一段很短时间的时间内就能做很多事情。

After a short period, a different doctor examined Isabelle.

不久之后，另一名医生给伊莎贝尔做了检查。

Have you ever been waiting in line but need to leave for a short period?

你是曾在排队等候时需要离开一小段时间？

But they just happen for short periods of time.

但这些机制的发生时间很短。

That means to watch many episodes of a series in a short period of time.

那意思是在短时间内看一个系列的很多集。

Do you prefer having guests for a short or long period and why?

你更喜欢客人短期还是长期停留，为什么？

So, if you stay awake or only sleep short periods of time, it's safer.

所以，如果你保持清醒或只睡很短的时间，这样会安全。

This can send them in closer to the Sun, and they become short period comets.

这可以使它们更接近太阳，成为短周期彗星。