Stepmotor
n. 步进电动机
🗣️ 情景例句
Hi, Tom, this is Mary.
嗨，汤姆，我是玛丽。
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
No, not yet.He's still here.He's going to move tomorrow.
不，还没有。他仍在这里。他打算明天搬家。