Context tree
[计] 上下树
🧩 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 leaves at 5:20.
五点二十分开。
I am not through with school yet.
我还没有毕业。
There are many things to be learnt when you start working.
开始工作时，你有许多东西要学。