Thucolite
古碳质岩
🗣️ 情景例句
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
That's too good to be true.
天底下哪有这种好事。
There is none of the hurry which, in our society,
那里没有我们今天社会中的匆忙生活，