Petrogeometry
[地质]岩石几何学
🗣️ 情景例句
A friend in need is a friend indeed.
患难朋友才是真正的朋友。
Please make yourself at home.
请别客气。
Yes, I have.I think that.I've hurt my back.
是啊，摔伤了。我想我把背摔坏了。