Mud and Sand

• 泥沙底(多用于沙的海底底质)

Mud and Sand的用法和样例：

例句

1. The land was built up of mud and clay deposited by two great rivers, the Tigris and the Euphrates.
   这里的土地由两条大河携带的泥沙构成，它们就是底格里斯河和幼发拉底河。