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
Who's your favorite writer?
你最喜欢的作家是谁？
Do you often study history on Saturday?
你常常在星期六学历史吗？
Even though the road was littered with boulders and pitted with holes, Bruce was not in the least perturbed.
尽管路面布满石头，坑坑洼洼，但布鲁斯却一点儿不慌乱。