Thucolite
古碳质岩
🗣️ 情景例句
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
A pound of care will not pay an ounce of debt.
深忧偿不了小债。
We've still got lots of them over there.
那边还有很多呢。