S 开头单词
sand-up v.填砂
sand-transport truck [能源科学技术]运砂车
sand-storm weather [地球科学]沙尘暴天气[医药科学]沙尘天气
sand-spout n.沙柱
sand-seam ground-surface [经济学]砂层地面
sand-pit n.沙坑
sand-martin n.灰沙燕；崖沙燕
sand-lot adj.业余的；n
sand-layer liquefaction [水利工程]砂层液化
sand-heap perverse crop [医药科学]堆沙鬎疬
sand-head n.多子甘蓝
sand-graval 砂砾石
sand-glass n.计时沙漏
sand-flood n.砂丘
sand-filter bed [机械工程]砂滤床[土木建筑工程]砂滤床
sand-dune 沙丘