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What are you doing?
你在干什么？
I'm trying to clean out my ears, thank you very much. I want to hear perfectly.
我正在清理我的耳朵，非常感谢。我想保证能听清楚声音。
I don't think anyone wants to watch you clean out your ears, that's kind of gross!
我觉得没人想看你清理耳朵，那太恶心了！
What did you say?
你刚刚说什么？
Real funny. Anyway, did you know that sound can't travel through a vacuum?
真好笑。话说你知道声音不能在真空中传播吗？
Like the one we used to clean the house? I don't know, thing's pretty loud.
就像我们用来打扫房子的那个东西吗？我不太清楚，那家伙声音太大了。
No, I'm not talking about the kind of vacuum you find at home. I'm talking about the perfect vacuum, a place that doesn't have material for sound travel through.
不，我说的不是你能在家里找到的那种吸尘器。我说的是绝对真空，一个没有让声音能够传递的介质的地方。
For example, outer space is a near perfect vacuum because there's very little matter or material for sound to travel through.
例如，太空就是一个近乎绝对真空的地方，因为在那里，让声音能够传递的介质很少。
So if you try to yell or make any noises in space, no one would ever hear it.
所以如果你想在太空中大喊大叫或发出任何声音，没有人会听到的。
