Closed circuit operation
[建] 通路操作
🧩 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
Ellen, why don't you go out to the backyard
Ellen，何不去院子
After the flood, the carpets were wet for a month.
洪水过后一个月，毛毡还是湿的。
Looking at his watch, he saw that it was one o'clock, but the bell struck thirteen times before it stopped.
他一看表，才1点钟，可是那钟一边敲了13下才停。