Lithogeny
岩石成因学
🗣️ 情景例句
even fifty years later.
五十年之后还是这样。
We first make our habits, and then our habits make us.
我们先养成习惯，然后习惯又左右我们。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。