1. demand sth. of sb.向某人要求(非物质的)东西demand sth. from sb.向某人要求(物质的')东西
demand有需求;on demand受到要求时
3. be dependent on依靠
4. deprive sb. of sth.剥夺某人某物
5. derivefrom(=obtainfrom)从取得，由来的derive from(=come from)起源于
6. despair of(=lose all hope of)绝望
7. in despair绝望
8. despite(=in spite of)不管，尽管
9. in detail详细地
10. deviate from偏离，不按办
11. on a diet吃某种特殊饮食，节食
12. differ fromin与的区别在于
13. in difficulties有困难，处境困难，
14. discharge sb.(from)for(=dismiss sb. from a job for)因解雇，开除
15. fall back(=retreat，turn back)撤退;in disorder慌乱地，狼狈不堪
