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
He landed another job soon after he left his former company.
他离开以前的公司后很快找到了另一份工作。
Whatever he does, don't be mad.
不管他做什么，你都不要发怒。
You've dialed the wrong number.
你拨错电话号码了。