dams

n. 水坝
名词dam的复数形式
abbr. 防御性反导弹系统(=Defense Against Missiles Systems)

例句与用法：

A hollow metal cylinder used especially in constructing dams and foundations.

金属筐一种尤其用于筑堤及防御工事的中空的金属筐

A cylindrical bundle of sticks bound together for use in construction, as of fortresses, earthworks, sea walls, or dams.

梢捆捆在一起的圆柱形林木捆，用于护墙、护岸、防波堤或水坝的建造上

A device for controlling the passage of water or gas through a dam or conduit.

水门，闸门一种用来控制水或气通过一坝堤或水道的装置