浮石 的英文翻译

floatstone

pumice

浮石 的中文句子和英文句子

轻石，浮石一种在固体状时用作研磨物且粉状时用作磨光物和研磨物的轻多孔火山岩

A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive.