dawn 黎明，拂晓 work from dawn to dark

dazzle （强光等）使目眩，耀眼：He was dazzled by his sudden success.

deceive 欺骗，蒙蔽：deceive oneself

decent 体面的，像样的:She didn’t have a decent dress for the ball.

decline 拒绝，谢绝：We sent him an invitation but he declined.

decompose 分解，腐烂，腐败：decompose a compound into its elements.

dedicate 奉献，把。。。用在（to）: The doctor dedicated himself to finding a cure.

deduce 演绎，推论：From her conversation, I deduced that she had a large family.

define 解释，给。。。下定义: People define him as a genius.

deform(使)变形：Heat deforms plastic.

defy 公然违抗，反抗：He was going ahead defying all difficulties.

degenerate 衰退，堕落，变坏（into）: Her eyesight degenerated with the years.

deliberate 慎重的，深思熟虑的：The government is taking deliberate action to lower prices.

delight 高兴，快乐：To the teacher’s great delight , all his students passed the examination.

deliver 投递，传送，运输：deliver the mail

demonstrate 论证，证明 ：demonstrate a philosophical principle

denote 表示，是。。。的标志，意思是：A frown often denotes displeasure.

dense 稠密的，密集的:a dense forest

deposit 存放： She deposited her bag in the cloakroom.

depress 使沮丧，使消沉：That movie depressed me.

deprive  剥夺，使丧失：deprive sb. of his property

derive 取得，得到：He derived his enthusiasm for literature from his father.

descend 下来，下降：Darkness descended too soon.

deserve 应得，值得：The question deserves consideration.

designate 指明，表明：designate boundaries

desolate 荒芜的，不毛的：desolate land

despise 蔑视，鄙视：He despises flattery.

detach 拆卸：They detached their trailer and set up camp.

detain 留住，担搁：be detained by business.

detect （当场）发现（某人在干坏事）:detect a student cheating

deteriorate （使）恶化,(使)变坏,(使)退化: Relations between the two countries began to deteriorate.

deviate 背离，偏离：deviate from the ruledevote 将...献给（to）:Mary devoted her life to caring for the sick.

diagnose 诊断，判断：The doctor diagnosed the illness as influenza.

dictate 口授，使听写：dictate a letter to a secretary

differentiate 使不同，使有差别，区分，区别：differentiate varieties of plants

diffuse 扩散（气体，液体等）：The colors of the sunset were diffused across the sky.

diminish 减少，降低：His illness diminished his strength.

diplomat 外交家，外交官，圆滑的人：a career diplomat

discard 丢弃，抛弃：discard an old pair of shoes

discern 看出，觉察出：We could discern from his appearance that he was upset.

disclose 揭露，透露，使公开：disclose information to sb.

discharge 释放：The judge found him not guilty and discharged him.

discount 把（价格，费用等）打折扣，削价出售：The store discounts 3 per cent on all bills paid when due.

discriminate 区别，辨别：It’s difficult to discriminate between the twin brothers.

disgrace 丢脸，耻辱：bring disgrace on oneself

disgust 厌恶，恶心：feel disgust for bad odors

disperse 分散，驱散，散去：Police dispersed the rioters with tear gasdisplace 移动。。。的位置：Many of the inhabitants were displaced by the rising floodwaters

dispose 布置，整理:The stores disposed the jewellery in an attractive display

disregard 不理会，不顾：Disregard the noise and keep working

distinct 有区别的，不同的：Three distinct types of people

distort 扭歪，扭曲：a face distorted by (或with)pain

distract 使转向：be distracted from one’s original purpose

distribute 分配，分发：distribute the prizes among the winners

divorce 离婚，分离，脱离：sue for a divorce

dominate 分配，统治：a white dominated society

donate 捐赠，赠送：They donate to the Red Cross every year.

doom 命运，厄运，劫数：His doom was to be poverty.

doze 打瞌睡，打盹儿：The old lady dozed in her armchair.

drain 慢慢排去：drain water from a pool

dread 怕，畏惧:I dread to think of what may happen.

drift 漂流，漂泊：The sounds of music drifted up to us.

dubious 引起怀疑的，不确定的：a dubious reply

due 欠款的，应支付的：A great deal of money is due to you.

dump 倾倒，倾卸：He opened his bag and dumped its contents on the desk.

duplicate 完全一样的，复制的：a duplicate key

durable 耐用的：a durable fabric

dwell （dwelt 或 dwelled ）（尤指作为常住居民）居住: dwell on an island