Nested sets
[计] 嵌套集合
🧩 词语组成解析
nested
[nestɪd]
adj. 嵌套的;
v. 筑巢( nest的过去式和过去分词 );
n. 集合, 设置（set的复数）
🗣️ 情景例句
No, thanks.
不啦，谢谢。
I have been told you have just changed the interest rate on savings accounts. Is that true?
听说你们储蓄率刚调过，是真的吗？
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。