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
That's what makes this spot so good.
那就是为什么这个地点这样好的道理。
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
Then they slowly moved it farther and farther away.
然后，他们慢慢地把它移得越来越远。