Corbel arch
突拱
🧩 词语组成解析
n. 承材, 枕梁
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;
🗣️ 情景例句
Would you do me a favour look around your factory?
能否帮忙带我看一下你们工厂？
I'm afraid you will be too weak.
我怕你会太虚弱。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。