Closed circuit signalling
[计] 闭路通信
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
[计] 信号传输法
🗣️ 情景例句
The original plan by the council
会议原有的计划
I still have a cough.
我仍然患咳嗽。
So one's circle of friends grows.
朋友的圈子就这样不断扩大。