基本解釋河口沙洲，[海洋][地理] 沙洲同根派生 sand bar相關(guān)詞英漢例句雙語例句Channel and point-bar sands may be clean and well-sorted.沙 垻 砂可以是乾淨(jìng)的和分選良好的。The sedimentary facies of the shallow water sediments are low stand tract deltas, and the sands are sub-water tributary, estuarine bar and sheet sands.淺水沉積層主要發(fā)育低位三角洲相，砂躰類型主要有水下分流河道、河口垻、蓆狀砂等；sand bar更多例句詞組短語短語channel mouth bar sands 河口垻砂躰sand bar更多詞組