Servoamp
伺服[随动]放大器
🗣️ 情景例句
Please cash this check.
请兑现这张支票。
Take off your hat. It doesn't fit.
取下你的帽子，它不适合你。
Be careful! Don't throw your cigarette out of the window. If you do that, you may start a fire. Put it out in the ashtray.
当心！别把香烟丢到窗外。要是你那样做，会引起火灾的。把它熄灭在烟缸里。