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
Mary, what's your favorite sport?
玛丽，你最喜欢什么运动？
Do you think you could keep the noise down?
你看能不能小声一些？
A mooncake is a delicious, round cake.
月饼是一种味美的圆糕点。