Arch gravity dam
[機(jī)] 拱形重力壩
?? 詞語(yǔ)組成解析
arch
[ɑ:t?]
n. 弓形;拱門;拱形物;足弓，齒弓;
vt. （使）彎成拱形;用拱連接;向后彎;
vi. 拱起;成為弓形;
adj. 主要的;首要的;調(diào)皮的;淘氣的;
dam
[d?m]
n. 水壩，堰;水庫(kù);（牙科用的）橡皮障;〈比喻〉障礙;
vt. 用水壩阻止;阻塞，抑制;
??? 情景例句
Follow the recipe properly or it will never come out right.
照著菜譜說的做，不然的話，味道就不對(duì)。
If at first you don't succeed, try, try again.
初試不成功，努力勿懈怠。
As complaints must be made in writing, the Ombudsman receives an average of 1,200 letters a year.
由于意見均需用書面形式提出，司法特派員每年平均收到1，200封信。