Closed-circuit signaling
[电] 闭路发讯
🧩 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
n. 发信号；打信号
🗣️ 情景例句
And this is my sister Susan and her husband Harry Bennett
这是我妹妹Susan和她丈夫Harry Bennett
But we cannot afford to depend on tradition alone.
但是我们不能靠吃老本过日。
Please go over it and see if everything is in order.
请过目一下，看看是否一切妥当。