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
Mr. Maxwell was very kind
Maxwell先生很好心
Fire that's closest kept burns most of all.
关得最紧的火，燃烧得最炽烈。
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。