重点讲解:
1. used to do sth. 过去常常;过去曾;
She used to enjoy a healthy and active life as other happy children but a disease has snatched away all that she used to have.
她曾和其他快乐的孩子一样健康活泼,但是一场病夺去了一切 。
2. depend on 取决(于);有赖(于);
Whether or not you qualify for a loan will depend on your financial circumstances.
你是否有资格申请贷款取决于你的经济状况 。
3. be good at 擅长的;精通的;能干的;
I am not good at singing. I'm here just to make up the number.
我不会唱歌,我在这儿只是滥竽充数 。
4. convert into (使)改变;更改;(使)转变;
I need to convert this list into XML.
我需要将这张列表转换成XML 。
vt. 使合格,限定,描述
vi. 合格,取得