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
And we'd like to find out about a mortgage.
我们想知道如何贷款。
The heart sees further than the head.
心之所见远胜于目。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。