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
And make them here.
在这儿缝。
They exchange happy glances.
他们幸福地互视着。
We owe a lot to the birds and beasts who eat insects but all of them put together kill only a fraction of the number destroyed by spiders.
我们要十分感谢那些吃昆虫的鸟和兽,然而把它们所杀死的昆虫全部加在一起也只相当于蜘蛛所消灭的一小部分。
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