国产成人综合95精品视频,亚洲av成人精品一区二区三区,四虎永久免费观看在线,久久久一本精品99久久精品88,天天做天天爱夜夜爽毛片毛片

argillite

英[ɑ:d??\'l?t]
美[ɑd??\'l?t]

基本釋義

n.
硅質(zhì)黏土巖，黏板巖

英英釋義

Noun

  • 1. a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages

同義詞