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
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
Seriously, thank you all for coming and taking part in our camp.
说真的，谢谢你们来加入我们的野营。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。