n.[C]

1. 水坝，水堤
   They have decided to build a dam across the river.

   他们决定在这条河上建一座水坝。

2. 拦蓄之水
3. 障碍物，屏障

vt.

1. 筑坝于，筑坝拦（水）[（+up/out）]
   The stream was dammed up.

   这溪流被坝堵住了。

2. 控制，抑制[（+in/up/back）]
   The lady dammed up her anger.

   那位女士抑制住一腔怒火。

n.

1. 母兽[C]

n.

1. a barrier constructed to hold back water and raise its level, forming a reservoir or preventing flooding.
   ▸a barrier of branches in a stream, constructed by a beaver to provide a deep pool and a lodge.
2. (also dental dam) a rubber sheet used to keep saliva from the teeth during dental operations, or as a prophylactic device during cunnilingus and anilingus.

v.

n.

abbrev.