Handstone
鹅卵石, 用手操作的碾磨石
🗣️ 情景例句
We're in here, Dad.
我们在里面， 爸爸。
There are four quarters in every dollar.
每美元有四个二角五分。
No, they aren't. They're on the floor.
不，不在。它们在地上。