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
And tell me where you are and what's happened.
告诉我你在哪里，发生了什么事？
He insisted on going along.
他坚持要一个人去。
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。