Closed-circuit television
[电] 闭路电视
📖 牛津释义
closed-circuit television
television system in which signals are transmitted by wires to a limited number of receivers 闭路电视.
🏥 医学释义
闭路电视，有线电视
🧩 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
🗣️ 情景例句
The evening newspaper is cheaper than the morning paper.
晚报比早报要便宜。
Nobody's at home.
家里面没人。
Of course, the answer is Chinese.
回答当然是汉语。