Mathematical tree
[计] 数学树
🧩 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
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
An ounce of prevention is worth a pound of cure.
预防胜于治疗。
What's the deadline?
截止到什么时候？