重点讲解:
1. take care 当心,小心;
Take care not to burn your fingers.
注意别烧着手指头 。
2. a number of 若干;许多;
We've consulted a number of books about the subject in the library.
我们在图书馆查阅了很多有关这个题目的书籍 。
3. fail to do sth. 失败;未能够;未做成;
She failed to get into art college.
她未能进入艺术学院 。
4. be able to do sth. 可以…的,能够…的;
You must be able to speak French for this job.
干这项工作你得会说法语 。
n. 大理石
vt. 使有大理石的花纹