And if you put this in the well-ventilated area, if you prepare this outside, the h c n gas will actually be released into the air, so you're safe, you can eat it later.

而如果你把它们放在通风良好的地方，在室外处理，那么氰化氢气体,将会被释放到空气中，这样你就安全了，过后就可以吃了。

麻省理工公开课 - 化学原理课程节选

So things can be dangerous. But generally, if you're smart, I think it's a very safe place to live.

因此，危险还是存在的。但大多数情况下，只要你精明点，我认为那儿还是一个非常安全的居住地。

在上西区 - SpeakingMax英语口语达人

The point I've got in mind here is this-- even when you think you're perfectly safe, you could of course die of a stroke.

我脑中所想的重点是-,即便是当你认为自己十分安全的时候，你当然也有可能死于中风。

耶鲁公开课 - 死亡课程节选

I'm going to claim that assuming that products are not identical, is a pretty safe assumption for most of the world, for most things that you're going to see in the world.

我认为假设产品不同,对大多数人来说很容易被接受,对多数情况来说

耶鲁公开课 - 博弈论课程节选

then, you know, you're usually okay. You can stay safe.

那么你通常会没事儿。你可以很安全。

喜欢自行车 - SpeakingMax英语口语达人