n.水坝，堰；水库；（牙科用的）橡皮障；〈比喻〉障碍vt.用水坝阻止；阻塞，抑制； 变形： 复数：dams过去式：dammed过去分词：dammed现在分词：damming第三人称单数：dams 双语释义：n.(名词)[C]坝,堤 a wall or bank built to keep back waterv.(动词)vt. 修筑水坝; 以水坝阻拦 make a dam across a narrow valley, etc.; hold back by means of dam; blockvt. 拦