Roundedness
圆形
🗣️ 情景例句
The title ...
名字……
Don't tell anyone!
不要告诉别人喔！
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。