Conca
康卡构造, 贝壳状塌陷（构造）； 火口区同心状凹陷
🗣️ 情景例句
I want to break up with you.
我想和你分手。
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
Start by making a list of all the types of books that you enjoy reading in Chinese.
首先列出一个清单，把你喜欢读的各类中文书都开列出来。