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
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
I've got to be going now, Good-bye.
我得走了，再见。
A red tie will match that suit.
红领带会配那件衣服。