pumice stone
释义
轻石：用于擦拭物体使其光滑的一块轻质石头。
例句
1·The best way to de-fuzz a sweater: use a pumice stone .
平顺起球的毛衣最好的方法是用浮石。
2·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。
3·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。
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