It was, you know vacuum sealed in that can.
那个罐子是真空密封的。
Vacuum seal
原声例句
VOA常速英语_美洲
谷歌名人访谈录
They were vacuum sealing all of their clothes.
他们用真空密封了所有的衣服。
2014 ESLPod
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。
BBC 听力 2015年12月合集
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。
英语PK台-地道美语音频版2023
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。
厨房美味大比拼
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。
2014 ESLPod
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。
英语百科
Vacuum packing
Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves (manually or automatically) placing items in a plastic film package, removing air from inside, and sealing the package. Shrink film is sometimes used to have a tight fit to the contents. The intent of vacuum packing is usually to remove oxygen from the container to extend the shelf life of foods and, with flexible package forms, to reduce the volume of the contents and package.
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