重点讲解:
1. churn out 快速生产;大量生产;
He began to churn out literary compositions in English.
他开始用英文创作大量的文学作品。
2. lead to 招致;致使;导致;
Technological changes will inevitably lead to unemployment.
技术变革必然会导致失业。
3. depend on 取决(于);有赖(于);
The cooking time needed depends on the size of the potato.
所需的烹饪时间取决于土豆的大小。
4. rather than 而非;胜于;而不是;
The problem was psychological rather than physiological.
问题是心理方面的而不是生理方面的。
n. (水、气、电)流,趋势
adj. 流通的











