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
Me, too. Milk, please.
我也一样。请递给我牛奶。
The stations are always full of people.
火车站里经常挤满了人。
Though the sound could be heard clearly, it took me a long time to react.
虽然声音听得很清楚，但我过了好一会儿才作出反应。