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
Listen to the sounds of the summer that surround us.
仔细倾听环绕我们的夏夜声息。
Which country do you come from?
你从哪一个国家来？
Yes?
什么事？