Gear train
[机] 齿轮系, 齿轮排列
🧩 词语组成解析
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
There must be some way to put my mind to good use.
总会有办法让我发挥才智。
I worked at the factory this afternoon.
我今天下午在工厂工作。
What's that, Jim? Is it a picture?
吉姆，那是什么？一张照片？