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
That's fine. I'll await his return call.
很好。我会等他的来电。
Probably.
可能吧。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？