Directed tree matrix
[计] 有向树矩阵
🧩 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
I'm taking 19 credit hours.
我修了十九个学分。
I look forward to receiving your reply.
我期待着你的答复。
It's about four hundred yards down this street.
城堡就在这条街上，（离这儿）400码左右。