Waterstone
水磨石, [pl.][地质]水石层
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
Why are you disappointed?
你为什么灰心？
I'm drinking tea.
我在喝茶。