Karstification
n. [地]喀斯特(或岩溶)作用
🗣️ 情景例句
I don't mind what you do.
你干什么事我都不在乎。
He needed a blood transfusion.
他需要输血。
They had laboured for three years to produce this floating work of art;
瑞典人辛辛苦苦干了3年才建成这件水上艺术品，