Servomechamism
[电] 伺服机构
🗣️ 情景例句
Hi.
嗨！
He should meditate on the problem.
他必须就那个问题好好地想一想。
Ann, thanks a lot for asking me to your party. I'd love to come.
安，非常感谢你邀请我参加你的聚会。我很乐意去。