2.[countableC]DCB a piece of pumicestone that you rub on your skin to clean it or make it soft 〔一块〕浮石〔用于清洁皮肤或磨擦皮肤使其柔滑〕
Examples from the Corpus
pumice• Treatcalluses by rubbing with a callus file, a pumice stone, or a hard-skin remover.• You should file calluses and corns with a pumice stone, but never cut them with sharpinstruments.• If such vesicles are extremely abundantpumice is formed.• The hardest, pumice, is used in a number of proprietarycompounds.• No pumice will float indefinitely, though.• The combustionmelts the pumice, the hotgasesfoam it up, and the hot foam fills the mould in seconds.• This situation is changing, though, and some interesting things are now being done with pumicedeposits.