Wheel train
[机] 轮系
🧩 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 think the problem can be gotton over without too much difficulty.
我认为问题不难解决。
They operated on him last night.
他们昨晚给他动手术了。
In the letter he was asked to call at the station.
要他到警察局去一趟。