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;
🗣️ 情景例句
As poor as a church mouse.
一文不名。
What time do you think it is?
你以为现在几点?
As a great many people will be visiting the country, the government will be building new hotels, an immense stadium, and a new Olympic-standard swimming pool.