Conca
康卡构造, 贝壳状塌陷（构造）； 火口区同心状凹陷
🗣️ 情景例句
Did it spoil your fun?
会不会让你扫兴？
In fact she's 20 years old.
她只有二十岁。
Thank you very much. It was nice to meet you.
非常感谢。见到你真高兴。