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
We've only been here for a day,
我们到这里仅仅一天，
He majored in Computers.
他主修计算机。
And I want these price lists as well.
还有这些价目表我也要。