把盒子做得非常大，就会把液体用完，或者只有最后几滴。
You make the box pretty big, and you run out, or you have the very last drop of liquid.
如果液体在更大的压强下，被盒子挤压，那时你可以把盒子做得更大一些。
Now, if the liquid was under pressure, being squeezed by the box, right then you could make the box a little bit bigger.
需要。你要把你包里的液体和笔记本电脑都拿出来，放在前面的盒子里接受检查。
Yes, you do. And you need to put out liquid items and your laptop in the box for inspection.
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