Spanning subgraph
[计] 生成子图
🧩 词语组成解析
[计] 生成
[计] 子图
🗣️ 情景例句
And I'd like to give you a little something to take home. Let me unroll it.
对了，我有样小东西想送你，让我把它打开。
Children enter primary school at the age of 7.
孩子们7岁进小学。
What's wrong?
怎么了？