Sector wheel
[机] 扇形齿轮, 扇形轮
🧩 词语组成解析
wheel
[wil]
n. 轮子;旋转;Wheels 汽车;有…轮子的汽车（或自行车等）;
vi. 转动，旋转;突然转变方向;
vt. 推;拉（车）;使变换方向;（使）迅速转身;
🗣️ 情景例句
When and what university did you graduate from?
你何时从哪所大学毕业？
No matter what the excuse, you must not be late.
不管有什么借口，你一定不要迟到。
How many would you like to order?
您要订多少？