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
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
That important man is very unassuming in his manner.
那个要人彬彬有礼，是一位毫不摆架子的人。
Let 's see, that means a 2% discount if paid within ten days.
哦。那是说如果10天内付款，有2%的折扣。