Spanning subgraph
[计] 生成子图
🧩 词语组成解析
[计] 生成
[计] 子图
🗣️ 情景例句
Can I help?
要我帮忙吗？
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
Shortly afterwards, four more policemen arrived and remonstrated with the workmen.
一会儿工夫，又来了4个警察，规劝工人离开。