评论
打印
重点讲解：
1. in theory 从理论上说；照理说；
In theory, these machines should last for ten years or more.
从理论上讲，这些机器应能用十年以上。
2. compared to 与…相比；和…比起来；
Standards in health care have improved enormously compared to 40 years ago.
与40年前相比，卫生保健的水平得到了极大提高。
3. start off 一开始是；
Joe Loss started off playing piano background music for silent films in the 1920s.
乔·洛斯先是于20世纪20年代为无声电影弹奏钢琴背景音乐。
4. come in contact with 接触；遇见；
If you come in contact with a victim's blood or other body fluids, you can get sick.
如果你与受害者的血液或其他体液相接触的话，你会生病的。
