Idler wheel
n. 中间齿轮, 惰轮, 滚轮
🧩 词语组成解析
n. 懒惰者, 游手好闲的人, 惰轮\\n[化] 惰轮
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
No. I really don't know how to go about it.
没有。我真不知道如何填。
What is he doing?
他做什么事？
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。