N-COUNT A pumice stone is a piece of pumice that you rub over your skin in order to clean it or make it smoother. 轻石; 浮石
N-UNCOUNT Pumice stone is the same as . 同pumice
If you suffer from these problems you can file them down with a pumice stone.
如果你遭受这些问题,你可以用一块磨脚石把它锉去。
The frames and slabs are filled with pumice stone which is enclosed by plywood sheets after pipework has been installed.
在管道系统安装完成后,浮石填充进通过胶合板材封闭的框架和楼板。
According to Gerard Kuiper, of the University of Chicago, the escape of gases from the moon's magma may have given the satellite a light, porous consistency, like that of a pumice stone.
芝加哥大学的Gerard Kuiper则提出,可能是月亮上岩浆气体的逃逸赋予了这颗星球轻飘多孔的硬度,就好象浮石那样。
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