pumice stone是什么意思 pumice stone怎么读
pumice stone的英文翻译是什么意思，词典释义与在线翻译
Noun:- a light glass formed on the surface of some lavas; used as an abrasive
pumice stone的用法和样例
- Add only a little alcohol and pumice as you work.
每次只要加很少的酒精和浮石粉。 - Be especially careful not to add too much pumice.
一定注意浮石粉用量不要太多。
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