Howstuffworks
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🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
Who minds his own business has no time to mind other folks.
为人只顾自己事，就无时间关心人。
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。