Paleotectonics
古地质构造学
🗣️ 情景例句
I need some.
我确实需要。
The worth of a thing is best known by the want of it.
物以稀为贵。
In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.
因此，任何食肉动物有了毒液，都能从中获益。