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:

  1. a weathered and decomposed siliceous limestone; in powdered form it is used in polishing
    同义词:rottenstone, tripoli