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 he doesn't get to use it.
却又用不上。
I asked him to play with me, but he wouldn't.
我请他和我玩，但是他不肯。
were portrayed to stir the imaginations of the superstitious sailors of the day.
以激起当时崇尚迷信的水手们的想像。