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
You should have your breakfast, Son.
你应该吃早点 ，孩子。
I ought to talk to him.
我应该和他商讨。
It was coming round the corner.
它正驶到拐弯处。