1. diffuse ：
v. 散播
[例句]
Translucence gives the material the ability to transmit and diffuse light.半透明给予材质以传送和散播光的能力。
2. dimension ：
n. 尺寸,次元,容积,维度
[例句]
There is another dimension to this problem which you haven't considered.这个问题还有你尚未考虑到的另一个方面。
3. diminish ：
v. 减少,变小
[例句]
His illness diminished his health.疾病侵蚀了他的健康。
4. disappear ：
v. 消失
[例句]
The sun disappeared behind a cloud.太阳消失在一片云后面。
5. disappoint ：
v. 使...失望
[例句]
These errors on your part cause us to disappoint our important customers.你方的这些差错导致我方使一些重要的客户失望。
6. disappointed ：
adj. 失望的
[例句]
I was more disappointed than discouraged.我是失望，而不是泄气。
7. disappointing ：
adj. 令人失望的
[例句]
It was a disappointing exam result.考试成绩是令人失望的。
8. disastrous ：
adj. 灾难性的
[例句]
A disastrous fire caused loss of life and property.一场灾难性的火灾造成生命财产的损失。
9. discard ：
n. 丢弃,扔掉
v. 丢弃,抛弃
[例句]
History discarded him.他被历史所抛弃。
10. disclose ：
v. 揭露
[例句]
He refused to disclose his name and address .他拒绝透露自己的姓名和地址。
11. discount ：
n. 折扣,贴现率
v. 打折扣,贴现
[例句]
These goods will be sold at a discount.这些货物将减价出售。
12. discourage ：
v. 使气馁,阻碍
[例句]
A new law has been brought in to discourage racial prejudice.一项反对种族歧视的新法律已被提出。
13. discriminate ：
v. 区别,差别待遇
[例句]
Death does not discriminate; it comes to everyone.死亡对每个人都一视同仁，它会降临到每个人的身上。
14. disgust ：
n. 厌恶,嫌恶
v. 令人厌恶
[例句]
She turned away in disgust.
她厌恶地转过脸去。
15. disgusting ：
adj. 令人厌恶
[例句]
The bad fish had a disgusting smell.这条坏鱼有一股令人作呕的气味。
16. disillusion ：
n. 觉醒,幻减
v. 醒悟,使幻想破减
[例句]
She still believes in Santa Claus and it would be cruel to disillusion her.她仍然相信有圣诞老人, 要是使她这一幻想破灭就於心不忍了.
17. dismiss ：
v. 解散,开除
[例句]
The boss threatened to dismiss him from his job, but it's all a bluff.老板威胁说要解雇他，但这不过是恐吓而已。
18. displace ：
v. 移置,替换
[例句]
Moderates have displaced the extremists on the committee.在委员会中，稳健派人士取代了激进派人士。
19. display ：
n. 显示,陈列,炫耀
v. 显示,表现,夸示
[例句]
There are so many fancy cars on display here that I don't know which to buy.有这么多的豪华汽车在此展出，我不知要买哪一辆才好。
20. disposal ：
n. 处理,消除,销毁,处置
[例句]
He has too many things at his disposal to go home early.有太多事要他处理，使他不能早点回家。
21. dispose ：
v. 处理,处置,销毁
[例句]
I must dispose of the trouble.我必须摆脱麻烦。
22. dispute ：
n. 争论
v. 争论
[例句]
His honesty is beyond dispute.
他的诚实是无可争议的。
23. disregard ：
n. 忽视
v. 忽视,不顾
[例句]
He shows ruthless disregard for other people's feelings.他对别人的感情漠不关心。
24. distinct ：
adj. (from)独特的,不同的,明显的,清楚的
[例句]
Those two ideas are quite distinct from each other.这两种观点截然不同。
25. distinguish ：
v. 区别,辨别,表现突出
[例句]
Speeches distinguish human beings from animals.人类和动物的区别在于人会说话。
26. distort ：
v. 扭曲
[例句]
How dare he distort the facts so brazenly!他怎么敢如此肆无忌惮地歪曲事实！
27. distribute ：
v. 分配,散布
[例句]
Some types of plants are widely distributed.有些植物分布得很广。
28. dive ：
n. 潜水,跳水
v. 跳水,俯冲
[例句]
Throw your arms out in front of you as you dive.跳水时手臂迅速前伸.
29. diverse ：
adj. 不同的,相异的,多种多样的
[例句]
And China is a great country, scenic, rich with history and diverse cultures.中国是个伟大的国家，风景优美，有丰富的历史和多样的文化。
30. divert ：
v. 转移
[例句]
A loud noise diverted my attention.一阵喧闹声转移了我们的注意力。