Karstification
n. [地]喀斯特(或岩溶)作用
🗣️ 情景例句
Will a facial mask help my complexion?
面膜能帮我改善我的面部皮肤状态吗？
At the moment, he is a bit worried about his English.
就在那时候，他有点担心他的英语。
But my sister bought this pair last month.
但是，我姐姐上个月买到了这样的一双。