Solution tree
[计] 解答树
🧩 词语组成解析
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
Matches?
火柴？
There are only two minutes left.
只剩两分钟了。
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，