Systematic tree
[计] 系统树
🧩 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
Are they always that difficult to make?
领结这样难打吗？
I was born in a little town not far from here.
我出生在离这儿不远的小城市里。
Where's he from?
他是从哪来的？