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
Nobody. That's the problem.
没有人。这就是问题所在。
Let's go visit them.
让我们去拜访他们吧。
The World Trade Center, an office building for over 1200 firms employing about 50,000 people, is even higher at 411 metres.
世界贸易中心要高得多，有411米。它是一座办公大楼，楼里有1，200多家公司，大约有5万雇员。