Arch axis
[机] 拱形轴
🧩 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;
🗣️ 情景例句
What did you say? I didn't quite get that.
你说什么？我没听清楚。
I'm short of hands.
我太忙了。
'It's none of your business,' the young man said rudely.
“不关你的事，”那男的毫不客气地说，