It was, you know vacuum sealed in that can.

那个罐子是真空密封的。

They were vacuum sealing all of their clothes.

他们用真空密封了所有的衣服。

I wish we could vacuum seal them and store more pieces.

李：我希望我们可以真空密封它们并存放更多的碎片。

Jingjing: If it's vacuum sealed, has simpler ingredients, and has been heavily processed—then it certainly is.

如果是真空密封，成分简单，并经过了大量加工，那肯定算是预制食品。

And then you use your little stopper bopper to just create like a vacuum seal, so now we wait, 90 seconds.

然后你用你的小塞子 bopper 来创造一个真空密封，所以现在我们等待 90 秒。

It needs a vacuum seal around the three sensors and twice now that seal has leaked in the kind of the extreme cold found on Mars.

在火星的寒冷条件下，它要求对3个主传感器进行真空密封。

Some people own special machine that will create vacuum seals around food so that you can have a better system of storing it.

有些人拥有特殊的机器，可以在食物周围形成真空密封，这样您就可以拥有更好的储存系统。