He skimmed the pages quickly, then read them again more carefully.他先快速地浏览页面，然后再细细阅读。The little bird skimmed over the waves looking for food.那只小鸟掠过波浪寻找食物.The leader just skimmed through the headlines of the report.这位领导只是草...
地堑成为铀矿沉积的有利部位.A graben creates a favourable setting for uranium deposition.这些矿体与沉积的主要方向一致.These deposits parallel to the main direction of sedimentation.三角洲分流中沉积的河流砂是石英质的.Fluviatile sands deposited by delta distributarie...