Closed-circuit system
[电] 闭路系统
🧩 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
About one month. I'm just sightseeing.
大约一个月。我只是观光旅游。
If the beard were all,the goat might preach.
如果长胡就好，山羊也可讲道。
Take a deep breath and I'll time you. But don't drown!
深吸一口气，我来给你计时。但别淹着！