D
definitely /ˈdefɪnətli/ adv. 肯定；没问题；当然
I definitely remember sending the letter.
我记得这封信肯定发出去了。
definitely not 肯定不会
definition /ˌdefɪˈnɪʃən/ n.（尤指词典里的词或短语的）释义，解释；清晰度
Neighbours by definition live close by.
顾名思义，“邻居”就要居住在邻近的地方。
The definition of the digital TV pictures is excellent. 数字电视图像的清晰度很高。
demonstrate /ˈdemənstreɪt/ v. 证明；证实；表露；演示
These results demonstrate convincingly that our campaign is working. 这些结果有力地证明，我们的运动正在发挥作用。
You need to demonstrate more self-control. 你应该表现出更强的自制力。
deny /dɪˈnaɪ/ v. 否认；否定；拒绝承认
There’s no denying（the fact）that quicker action could have saved them. 无可否认，如果行动快一点儿，本可以救得了他们的。
She denied all knowledge of the incident.
她矢口否认知晓此事的任何情况。
【用】
there is no denying that…=it can't be denied that… 无可否认
deny doing sth. 否认做某事
deny sth. to sb.=deny sb. sth. 拒绝给与某人某物
denial n. 否认；否定
undeniable adj. 无可争议的；确凿无疑的
depress /dɪˈpres/ v. 使抑郁；使沮丧；使萧条；降低（价格）
It depresses me to see so many young girls smoking.
看到这么多年轻女孩抽烟，我感到很沮丧。
The recession has depressed the housing market.
经济衰退导致住房市场不景气。
to depress wages/prices 减少工资；降低价格
【参】
depressed adj. 忧愁的；沮丧的
depressing adj. 令人抑郁的；令人沮丧的
depressingly adv. 令人抑郁地
despite /dɪˈspaɪt/ prep. 即使；尽管
Her voice was shaking despite all her efforts to control it.
尽管她竭尽全力控制自己，但她的声音仍然在颤抖。
【用】
不要用despite引导从句，但可接现在分词，或用despite the fact that（=although）引导从句；despite意思与in spite of 一样，但despite后面不能接of。
detail /ˈdiːteɪl/
n. [C] 细微之处；详情
Tell me the main points now, leave the details till later.
现在把要点告诉我，细节留到以后再说。
v. 详细列举；派遣；选派
The brochure details all the hotels in the area and their facilities. 这本小册子详细介绍了当地所有旅馆及其设施。
Several of the men were detailed to form a search party. 几名士兵被派组成一个搜索队。
【考】
go into detail(s) 详细叙述；逐一说明
in detail详细地
detect /dɪˈtekt/ v. 发现；查明；侦察出
The tests are designed to detect the disease early.
这些检查旨在提早查出疾病。
【参】
detective n. 侦探；警探
device /dɪˈvaɪs/ n. 装置；仪器；炸弹；手段
a water-saving device 节水装置
the world’s first atomic device 世界第一枚原子弹
Sending advertising by email is very successful as a marketing device.
作为一种营销手段，用电子邮件发送广告是非常成功的。
【考】
leave sb. to their own devices
听任某人自行其是
discipline /ˈdɪsɪplɪn/
n. [U] 训练；训导；自制力；遵守纪律
The school has a reputation for high standards of discipline.
这所学校因纪律严格而闻名遐迩。
He’ll never get anywhere working for himself—he’s got no discipline.
他为自己工作是不会有什么成就的——他毫无自制力。
v. 惩罚；自我控制；严格要求
The officers were disciplined for using racist language.
这些军官因使用种族歧视性语言而受到惩罚。
【考】
discipline sb. for sth. 因某事惩罚某人
display /dɪsˈpleɪ/
v. 陈列；展出；展示；显露
The exhibition gives local artists an opportunity to display their works.
这次展览为当地艺术家提供了展示自己作品的机会。
I have rarely seen her display any sign of emotion.
我难得见到她喜怒形于色。
n. 陈列；展览；表演
a window display 橱窗陈列
a firework display 烟火表演
【考】
on display（= on show）陈列；展出
display sth.（to sb.）（向某人）展示某物
distinct /dɪsˈtɪŋkt/ adj. 清晰的；截然不同的
His voice was quiet but every word was distinct.
他说话声音不大，但字字清晰。
rural areas，as distinct from major cities
完全不同于大城市的农村地区
【参】
distinctly adv. 清楚地
distinctness n. [U] 清楚
distribution /ˌdɪstrɪˈbjuːʃən/ n. [U] 分配；分发；分送；分销
The map shows the distribution of this species across the world.
地图上标明了这一物种在全世界的分布情况。
the distribution of food and medicines to the flood victims
向遭受洪灾的难民分发食品和药物
【参】
distributional adj. 分配的；分发的
dolphin /ˈdɒlfɪn/ n. 海豚
domain /dəˈmeɪn/ n.（知识、活动的）领域；（尤指旧时个人、国家等所拥有或统治的）领土
Physics used to be very much a male domain.
物理学曾在很大程度上是男人的领域。
The Spice Islands were within the Spanish domains.
香料群岛曾是西班牙的领地。
domestic /dəˈmestɪk/
adj. 本国的，国内的；家用的
domestic affairs/politics 国内事务/政治
domestic appliances 家用器具
n. 家佣；家庭纠纷
【参】
domestically adv. 本国地
dragon /ˈdræɡən/ n. ①（传说中的）龙；②（especially BrE） 悍妇；母夜叉
drama /ˈdrɑːmə/ n. [C] 戏，剧；[U] 戏剧文学；[C] 戏剧性事件
a costume/historical，etc. drama 古装、历史等剧
classical drama 古典戏剧
A powerful human drama was unfolding before our eyes.
一个极富人情味的戏剧性场面展现在我们的眼前。
make a drama out of sth. 小题大做；大惊小怪
dramatic /drəˈmætɪk/ adj. 突然的；激动人心的；戏剧的
dramatic results 出人意料的结果
a dramatic victory 激动人心的胜利
a local dramatic society 地方戏剧协会
【参】
dramatically adv. 突然地；激动地
drought /draʊt/ n. 久旱；旱灾
duration /djuˈreɪʃən/ n. [U] 持续时间；期间
a contract of three years’ duration 三年期的合同
【考】
for the duration 直到……结束；在整个……期间
