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
Remember to lock your door and windows when you leave the house.
出门前记得锁好门窗。
Is there a public phone near here?
这附近有公用电话吗？
It is impossible to give a satisfactory explanation for a pot-holer's motives.
要想对洞穴探险者的动机作出满意的解释是不可能的。