Undirected tree
[计] 不定向树
🧩 词语组成解析
a. 未受指导的, 无姓名和地址的
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
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
The child is father of the man.
三岁定到老。
I'm not going to any.I need some fresh air, so I'm going out for a walk.
我哪个报告都不去听。我需要一些新鲜空气，因此我要出去散步。