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
But don't give up.
但是千万不要放弃。
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
My number is 584 1498. Tell him to ask for Bob or Paula. OK? Thanks.
我的号码是5841498。告诉他找鲍勃或葆拉。好吗？谢谢。