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 that's what I did.
我也这样做的。
That seems quite soon considering the nature of the product and shipping time.
考虑到产品的性质和运输时间那看来太快了。
Is there anything the matter?
出了什么事吗？