Rcd
abbr. 剩余电流装置（residual current device）；路由控制数字（Route Control Digit）；接收机载波检测器（Receiver Carrier Detector）
🗣️ 情景例句
Why don't we get in the car and drive home?
我们何不开车回家？
I will take a train.
我将去搭火车。
In front of me was a wall of animals.
在我的前面是一面刻满了动物的墙壁。