Sandig桑迪希
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
sand-driving wind风沙流
Sand Creek Massacre桑德河大屠杀(1864)
sand saltation flux风蚀沙流通量
sand sealing trough沙封槽
sand bed filtration砂床滤失量
Sandmeyer's reaction
sand-binding grass固沙草
sand asphalt mixture地沥青砂浆
sand blasting method喷砂清理法
sand-break forests防沙林