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
I made a pig of myself.
我吃得像一头猪！
Shallow streams make most din.
修养不深，高谈阔论。
Are you sure you sent the full order?
你确定货全部都出来了？