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
when it's very cold out.
冬天外面很冷的时候。
My son wants to get married in June.
我的儿子想要在6月结婚。
Look out! There is a car coming.
小心，车来了。