rotten stone
rotten stone是什么意思、rotten stone怎么读
【医】 硅藻岩
rotten stone汉语翻译
【医】 硅藻岩
rotten stone英语解释
名词 rotten stone:
- a weathered and decomposed siliceous limestone; in powdered form it is used in polishing同义词:rottenstone, tripoli