| 释义 |
pu.mice (stone)5pQm7Isn [U]a type of grey light stone which is used in pieces or as a powder for rubbing things to make them smooth轻石，浮石（用于去污磨光）Pumice is produced in volcanic eruptions.轻石是在火山爆发中产生的。Some people use pumice in the bath to remove dry skin from their feet.有些人在洗澡时用浮石擦去脚上的死皮。
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