Petrosectomy
岩锥切除术
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
No practice, no gain in one's wit.
吃一堑，长一智。
Some of the apples are hard to reach.
有些苹果很难够得着。