?? 詞語組成解析
toothache
['tuθek]
n. 牙痛，牙疼;
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
you had some doubts about wanting to go to Michigan.
你對上Michigan大學有些疑慮。
Do you have any plan for your career?
你對未來有什么計劃嗎？
How do they compare to last year's?
與去年的相比怎么樣。