A metamorphic rock, intermediate between shale and slate, that does not possess true slaty cleavage.

 
  • 厚層泥巖一種變質(zhì)巖,在頁(yè)巖與板巖之間,不具備真正的板塊解理
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan