Directed tree
[计] 有向树, 定向树形
🧩 词语组成解析
directed
[[di'rektid]]
a. 定向的；经指导的；被控制的
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
What are you doing this weekend?
你本周末打算干什么？
This is Tom. He's my classmate.
这是汤姆。我的同学。
she has to help with the washing.
她得帮忙洗衣服。