Arch dam
[机] 拱形坝
🧩 词语组成解析
arch
[ɑ:tʃ]
n. 弓形;拱门;拱形物;足弓，齿弓;
vt. （使）弯成拱形;用拱连接;向后弯;
vi. 拱起;成为弓形;
adj. 主要的;首要的;调皮的;淘气的;
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
And I don't have to make a quick decision.
而且我也不需很快下决定。
During the two years since I took charge of the department.
在我负责这个部门的两年中。
Don't pull the chairs about,boys!
不要把椅子拖来拖去，孩子们！