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
The leader takes the first ten cards
指挥拿出上面的十张牌，
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
You speak English without an accent.
你说英语一点口音也没有。