Pumice
n. 轻石, 浮石\\nvt. 用浮石磨光
📖 牛津释义
pumice
(also `pumice-stone) n [C, U](piece of) light porous lava used for removing stains or rough patches of skin and (in powder form) for cleaning and polishing 浮岩, 浮石, 轻石（轻而多孔, 可用以去除皮肤污垢或使皮肤光滑, 其粉剂可作清洁剂或抛光剂）.
🗣️ 情景例句
Sure, Dad.
一定， 爸爸。
Let's call it a day.
我们今天就到这儿吧。
Sometimes, my grandma decides to buy one big birthday present for both of us.
有时，奶奶决定给我俩就买一件大生日礼物。