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
Good morning.
早安。
She seems fond of him.
她似乎喜欢他。
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。