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
It looks inviting.
它看起来很令人食欲大开。
Little children have the most fun playing make-believe.
儿童很喜欢幻想的游戏。
What do you think of it?
你觉得怎么样？