Actiyator
[电] 调速控制器
🗣️ 情景例句
As I told you before, my door is always open.
正如我以前跟你说的一样，我们的门永远都是敞开的。
May I refill your drink?
再喝一杯如何？
He fell behind with his work.
他工作落后了。