Spanning supergraph
[计] 生成母图
🧩 词语组成解析
[计] 生成
[计] 母图, 超图
🗣️ 情景例句
Strike while the iron is hot.
趁热打铁。
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
What happened before printing was invented?
印刷术发明以前是怎么一回事？