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
You look very young. How old are you?
你看起来真年轻， 你多大了？
All of those men are friends of mine.
那些人的都是我的朋友。
As I expected, he did not believe me.'Try it!' I said encouragingly.
“你就闻一闻吧！”我催促说。