Closed operator
[计] 闭算子
🧩 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
Yes. I'd like to make a loan.
是的，我想办一笔贷款。
How long is the ticket valid?
这车票有效期多久？
Excuse me, please! Which is the way to the North Street Hospital?
请问，去北街医院怎么走？