3906.demand(動)請求、要求
同義詞request
The UN has demanded that all troops be with drawn.
聯合國已要求撤出所有部隊。

3907.demanding(形)苛責的；使人吃力的
The work is physically demanding.
這工作需要有很好的體力。

3908.demo(名)示范;游行示威
A digital wrapper around a demo version of a product could warm the user that there are only
a few more uses of the software left before it shuts off．
包在一個產品演示版外的數碼包裝器可以警告用戶，軟件再用幾次就要關閉了。

3909.dental(形)牙齒的
I had undergone a major dental operation.
我經歷了一次牙科大手術。

3910.deny(動)否認
后接動名詞
The boy denied having stolen the bicycle.
男孩否認他偷了自行車。

3911.depend(動)依賴
短語depend on
I don't know if we can help. It all depends．
我不知道我們能不能幫上忙，一切都得看情況而定。

3912.dependable(形)可靠的
Who's the most dependable news agent?
誰是最可靠的報刊代理人?

3913.dependent(形)依賴的、依賴性強的
l used to be dependent on my parents. Now I'm independent of them.
我從前一切都依賴父母，現在我獨立了。

3914.depress(動)使沮喪
同義詞deject
Wet weather always depresses me．
陰雨天總使我心情抑郁。

3915.depression(名)沮喪；不景氣
不可數
She suffered from severe depression after losing her job.
他失業后患了嚴重的抑郁癥。

3916.deserve(動)應得
后接不定詞
They deserve to be sent to prison.
他們應該被送進監獄。

3917.desolate(形)孤寂的(動)使孤寂
(形): The thought that her husband did not want tha baby made her feel utterly desolate.
她一想到丈夫不要這孩子便感到極度悲凄。
(動): She had been desolated by the death of her friend.
朋友的去世使她感到十分孤寂。

3918.dessert(名)餐后甜點
What's for dessert?
餐后甜點吃什么？

3919.destination(名)目的地
Our luggage was checked all the way through to our final destination.
我們的行李一直被托運到最終目的地。

3920.destine(動)命中注定
She feels she is destined to be unhappy for the rest of her life.
他認為她命中注定余生不會再有快樂。

3921.destiny(名)命運
We can find no way to complain of the tricks played on human bening by destiny.
我們無法抱怨命運之神對人類的戲弄。

3922.detailed(形)詳細的
Can you tell me the detailed address?
可以告訴我詳細地址嗎？

3923.detect(動)查出、偵測到
He detected a note of sarcasm in her words.
他發覺她的話中有諷刺的口氣。

3924.detective(形)偵探的
I like detective story.
玻喜歡偵探小說。

3925.detector(名)探測器
Astrophysicists working with ground-based detectors at the South Pole and balloonborne instruments are closing in on such structures．
天體物理學家依靠南極陸基探測器以及地球載儀器正越來越近地觀測這些云系。

3926.determine(動)決定、堅決
An inquiry was set up to determine the cause of the accident.
為確定事故發生的原因已展開調查。

3927.devil(名)魔鬼
They believed she was possessed by devils.
他們認為她是被魔鬼附身了。

3928.devoted(形)專心致志的
后接不定式to
They are devoted to their children.
他們深愛著自己的孩子。

3929.diamond(名)鉆石
The ljghts shone like diamonds.
燈光像鉆石一樣閃閃發亮。

3930.differ(動)不同于……
后接介詞from
Ideas on childcare may differ oonsiderably between the parents.
在撫育兒童方面父母的觀點可能迥然不同。

3931.differential(名)差別
Non EEC countries pay a higher differential tariff.
歐洲經濟共同體以外的國家須付高于成員國的差別關稅。

3932.differentiate(動)區別、區分
同義詞distinguish
This company does not differentiate between men and women.
這家公司對男女職員一視同仁。

3933.difficulty(名)困難
We've run into difficulties with the new project.
我們在這項新工程中遇到了難題。

3934.digestion(名)消化作用
She has a week digestion.
她的消化力很差。

3935.dimple(名)酒窩；笑靨
Sha had a dimple which appeared when she smiled.
她一笑就會露出酒窩。

3936.dinosaur(名)恐龍
There is evidence from dinosaur track ways, mass accumulations of certain dinosaur fossils, and nesting sitas that dinosaurs were social animals.
由恐龍的足跡、大量的化石堆積和群居的巢穴這些證據，都證明恐龍是一種群居動物。

3937.director(名)導演；主管
He's on the board of directors.
他是董事會成員。