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
They mean long life. I remember you liked the calligraphy at the Palace Museum.
长命百岁。我记得上次去故宫，你特别喜欢书法。
Things unreasonable are never durable.
不合理的事不会持久。
I don't think there are. But there are more men than women scientists. And more men than women are heads of companies.
我想没有。但是，男科学家比女科学家多。而且，各公司的负责人中，男人要比女人多。