| 释义 |
pumice/ˈpʌmis/ n. & v.●n. (in full 全称 pumice stone) 1 a light porous volcanic rock often used as an abrasive in cleaning or polishing substances (用于去污或磨光的)轻石，浮石 2 a piece of this used for removing hard skin etc. (用于去除硬皮等的)轻石(或浮石) ●v. tr. rub or clean with a pumice 用轻石磨光(或去污) □ pumiceous /pju:ˈmiʃəs/ adj.[Middle English via Old French pomis from Latin pumex pumicis (dialect pom-): cf. POUNCE2] |