11. demonstrate證明 顯示 展示

　　Drugs are approved only after tests have demonstrated that they are relatively safe when use as directed, and when their benefits outweigh their risks.

　　12. dental牙齒的 牙科的

　　What kind of food is most likely to cause dental decay?

　　13. dentist牙科醫(yī)生

　　I need to find a dentist; you said you know Doctor Smith Well, do you recommend her?

　　Well, I had to see her a few times, but what impressed me most is the magzines in her waiting room.

　　14. depart離去 出發(fā) 背離 違反

　　Ladies and gentlemen, we’ve commenced our descent in the Sydney Airport and we will depart the terminal building about 30 minutes from now.

　　15. department部 部門 系

　　The report says all the departments are making a profit except the Asian Department.

　　Well, Mr.smith seems to be the wrong person to head that department, One more step wrong, and he would be removed from that office.

　　16. departure離開 出發(fā) 背離 違反

　　I’d like to remind you when you leave Sydeny airport on the next international flight, you will berequired to pay a departure tax of 10 dollars.

　　17. depend依賴 決定于

　　If the earth gets hotter in new century, what will happen to animals and the plants which animals depend on for survival?

　　18. deputy副職 副手

　　Just the deputy governor of the prison said, we try to preserve the prisoners respect as much as possible by imaging ourselves in their prison. His words explained why this new prison is run in unique way.

　　19. descend下來 下降

　　So the pilot did descend to the wrong altitude then, because they were following the air controllers’ instructions.

　　20. description描寫 形容 種類 性質

　　Your description is to be no more than 1 A4 page in length.

　　21. deserve應收 應得 值得

　　Congratulations, you certainly did quite well, and I must say you deserve that grade.

　　Well, I really studied hard for that exam, I’ve been preparing for it for more than a month. Now I can relax for a while.

　　22. design設計 構想

　　In the past, it was believed that left-handers tended to have more accidents largely because most equipment was designed for right-handers.

　　23. desire渴望 欲望

　　At the college level, a study found 85% of both male and female first-year students desired to change their body weight.

　　24. despite不管 不顧 盡管

　　Psychologists find that despite the best efforts of teachers, these ideas have changed very little over the past decade.

　　25. destruction破壞 毀滅 消滅

　　The huge increase in human population has caused the destruction of Asian forests for human occupation.