Handstone
鹅卵石, 用手操作的碾磨石
🗣️ 情景例句
Life is full of ups and downs.
生活充满起伏。
This isn't a laughing matter.
这种事是不能开玩笑的！
so she went to fetch the porter from his basement.
于是她到地下室去找看门的人。