Actiyator
[电] 调速控制器
🗣️ 情景例句
What's the matter, Susan?
怎么了， Susan？
I'd appreciate it if you would turn out the lights.I'm sleepy.
如果你关灯我将感激你的.我困了。
Many other struggles followed.
接着还爆发了很多其他斗争。