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
We aren't going, for the simple reason that we can't afford it.
我们不去，原因很简单，我们负担不起。
Feed sparingly and defy the physician.
饮食有节，医生绝迹。
Oh, hi, Jim! What are you going to do next week?
噢，你好，吉姆！你打算下星期做什么？