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
Or at least give him some advice.
再不然至少可以给他一些忠告。
He's getting used to thinking in English.
他正在养成用英语思维的习惯。
Would you please go to a dancing party with me?
请你跟我一起去参加一个舞会好吗？