Sandun.三都
sandn.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
Sand - stone砂石桩
sand flea bite沙蚤咬
sand box lever砂箱杆
sandstorm days沙尘暴
sandpaper block砂纸打磨块
sand simulation沙盘模拟
sand pear seeds砂梨种子
Sandjimba virus圣德吉姆巴病毒
sand wheel band加宽轮辋
sand bed-load沙质推移质