Closed operation
[计] 闭运算
🧩 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
You seem to have some reservations.
看起来你还有些犹豫。
When in Rome do as the Romans do.
入乡随俗。
Do you have a calling card?
您有名片吗？