Semicircular arch
半圆拱
🧩 词语组成解析
a. 半圆的\\n[医] 半环形的
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
This small child is quite self-centered. Maybe he is spoiled by his family.
这个小孩挺以自我为中心的，可能是被家人宠坏了。
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。