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
That's a good idea.
好主意。
Grasp all,lose all.
样样都要，全部失掉。
Most of the parents will not be able to pay much money.
多数家长是付不起很多钱的。