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
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
Silent men, like still waters, are deep and dangerous.
沈默的人像静水一样，深而难测。
carrying with him in his pocket what remained of a bottle of medicine formerly prescribed for an indisposition of Mrs.Carlyle's.
衣袋里装上了一瓶他妻子不舒服时吃剩下的药。