这些气泡，每一个都是一个宇宙，就像沸水里的气泡一样存在或爆破消失。
These bubbles, each being a universe, pop in and out of existence like bubbles in boiling water.
我被这景象惊奇的目瞪口呆，然后在一瞬间，气泡破掉了，仿佛它从来不存在一样。
I was just mesmerised and then all of a sudden it popped and it was like it was never there.
如果森林干旱到一定的程度，夹杂着空气的水就会从导管进入植物内部——这就像燃油管里的气泡一样——植物会因此而死。
If the forest gets dry enough, air can get into the vessels that carry water through a tree - kind of like an air bubble in a fuel line - and a tree dies.
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