Karstification
n. [地]喀斯特(或岩溶)作用
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
What is the total circulation of this newsletter.
这份新闻通讯总发行量多少？
Great minds think alike.
英雄所见略同。