Servodyne
伺服系统的动力传动(装置)
🗣️ 情景例句
I haven't dated any one else since her mother died.
自从她母亲去世之后 我从没有和别人约会过。
When did you arrive?
你什么时候到达?
Four hundred! That's a lot of money. But, just this once. After all, this ball is very important.
400法郎！这倒是很大一笔钱。不过，就只这么一次。要知道，这次舞会很重要啊。