Tree grammar
[计] 树文法
🧩 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
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
By the side of sickness health becomes sweet.
和疾病相比较，才显得健康的可贵。
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。