pumice
noun [ U ] uk/ˈpʌm.ɪs/ us
浮石，轻石（用来摩擦物体使其光滑）
a type of grey, light stone that is used in pieces or as a powder for rubbing things to make them smooth
Pumice is produced in volcanic eruptions. 浮石是在火山爆发中产生的。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。