Closed interval
[计] 闭区间
🧩 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
A construction company. Roads, bridges, big stuff.
一家建筑公司。修路， 筑桥， 都是大工程。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。