n.水坝；堤；障碍物
v.筑坝；抑制(情感等）
The dam was not strong enough to hold back the flood water的名词复数);（湖、河等的）水域;...v.给…水喝(water的第三人称单数);在…浇水[洒水];往（酒里）掺水;..." target="_blank">waters. 水坝不太坚固，挡不住洪水。
The village was swept away when the dam burst. 村庄在水坝决堤时被冲走了。
The water deepened after the dam was built. 堤坝建成后水已加深。
The river keeps rising and the dam is threatened. 河水不断上涨，大堤出现险情。
A dam is a barrier holding water back. 水坝是防堵水的障碍物。
用作动词 (v.)They are going to dam up the river to set up a hydropower station. 他们准备拦江筑坝建水电站。
It's hard to dam up one's feelings. 一个人要抑制自己的感情是不容易的。
dam用作动词作“筑坝拦水,以水坝阻拦”“挡住”解,指用障碍物堵塞,以防止水流、眼泪等继续流出,其后可接名词或代词作宾语。引申可表示“抑制,克制”,这时常与up连用。
