Matrix tree theorem
[计] 矩阵树定理
🧩 词语组成解析
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
Exactly.
完全正确。
How far is it from the shore of the Atlantic to the mountains?
从大西洋海岸到山脉有多远？
He loved to be told that one of his imaginary products was temporarily out of stock and he would faithfully promise to call again at some future date, but of course he never did.
他爱听售货员说他想像出来的那种东西暂时脱销，于是他就煞有介事地许诺改天再来光顾。当然，他再也不会来了。