[N-UNCOUNT 不可数名词]浮石,浮岩,轻石(一种火山石,用于去污以及柔肤等)Pumice is a kind of grey stone from a volcano and is very light in weight. It can be rubbed over surfaces, especially your skin, that you want to clean or make smoother.
Oxford
pum·ice/ˈpʌmɪs; NAmEˈpʌmɪs/(alsoˈpumice stone)noun[uncountable ]a type of grey stone that comes from volcanoesand is very light in weight. It is used in powder form for cleaning and polishing, and in pieces for rubbing on the skin to make it softer. 浮岩,浮石(一种火山玻璃,其粉末用于清洁抛光以及使皮肤光滑)pumicepumicespumicedpumicingpum·ice/ˈpʌmɪs; NAmEˈpʌmɪs/
LDC
pumicepum‧ice /ˈpʌmɪs/ (also ˈpumice stone) noun
Word Origin
Examples
word sets
Collocations
1[uncountable] very light grey rock from a volcano that is crushed to a powder and used for cleaning2[countable] a piece of pumice stone that you rub on your skin to clean it or make it soft
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