?? 詞語組成解析
tree
[tri]
n. 樹;木料;樹狀圖;宗譜;
vt. 把…趕上樹;使處于困境;把鞋型插入（鞋內）;
??? 情景例句
He made a pretty fortune by selling all his land.
他賣了所有的土地發了大財。
You're very cheerful today.
你今天很快活。
The modern weather models work with a grid of points of the order of sixty miles apart,
現代氣象模型以一個坐標圖來顯示，圖中每個點大約是間隔60英里。