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
I'd love to, but I have to be up early tomorrow.
我非常感谢，可是明天我得早起。
Why are you so much taller than I?
你为什么个子比我高那么多？
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，