A storage dam
蓄水闸
🧩 词语组成解析
dam
[dæm]
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;
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
A staff is quickly found to beat a dog with.
欲加之罪，何患无辞。
Often a valley boasted no inn at all, and climbers found shelter wherever they could --
山谷里常常没有小客栈，登山者只好随遇而安。