Stepmotor
n. 步进电动机
🗣️ 情景例句
What are your greatest achievement?
你最大的成就是什么？
Tomorrow Mark will hear from his manager about the job.
明天，马克将听经理谈有关工作的事。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。