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
He is with someone right now. Would you hold?
他现在在会客。你可以稍等吗？
A true friend is one soul in two bodies.
真正的朋友好似两个身子长著一颗心。
Why did you shave it off?
你为什么把它刮了？