rotten-stone

英['rɒtnst'əʊn] 美['rɒtnst'əʊn]
  • 磨石,抛光石
  • logging n.砍伐动词log的现在分词.
  • rotten adj.腐烂的;腐朽的;极坏的;讨厌的adv.非常
名词 rottenstone:
  1. a weathered and decomposed siliceous limestone; in powdered form it is used in polishing