pumice
US
UK pumice n: (abrasive stone) (一种轻而多孔的岩石)
SC 泡沫岩，轻石，浮石 pào mò yán，qīng shí，fú shí
My mom uses a pumice to smooth her feet.
pumice, pumice [sth] vtr: (rub with a pumice stone)
SC 用浮石摩擦 yòng fú shí mó cā
I pumice my feet once a week.
pumice stone n: (abrasive stone used for exfoliating)
SC 浮石 fú shí
SC 磨脚石 fú shí，mò jiǎo shí
You can get a pumice stone for the callus on your foot at that store.