Servomechamism
[电] 伺服机构
🗣️ 情景例句
I was in the neighborhood, so I thought I'd stop by.
我就住在附近，所以我想拜访一下。
I get into bed at about 11:30 and go right off to sleep.
我大约在11:30上床并且睡觉。
Nobody! She taught herself.
没有人（教）！她是自学的。