Karstification
n. [地]喀斯特(或岩溶)作用
🗣️ 情景例句
Well, thank you, Robbie. Thank you.
嗯 ，谢谢你 ，Robbie。 谢谢你。
An empty purse frightens many friends.
曩中无分文，亲友不上门。
My dentist had just pulled out one of my teeth and had told me to rest for a while.
我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。