1、引起危险的 This work can be very dangerous.这项工作是非常危险的。I kept my friend back from the dangerous animal.我不让我的朋友靠近那个危险的动物。dare de v. 敢，不惧；aux. 竟敢I wonder if he dare stand up to his boss.我不知道他是否敢于反抗他的老板。Dare she risk staying where she was? 她敢冒险呆在原地不动吗？dark dk adj. 暗的；黑暗的；n.黑暗，黄昏 Theyll be back well before da
2、rk.他们会在天黑以前回来。before / after dark 天黑之前/之后The room was dark and I bumped （my head） against on the door.屋子里很黑，我（的头）碰到了门上。We lost the way in the dark.我们在黑暗中迷路。in the dark在黑暗中date det n. C日期；年份；v.始于年代，确定年代Whats the date today? 今天是几号？The Great Wall dates back to Qin Dynasty. 长城的历史可以追溯到秦朝。date from/back t
3、o 追溯到（某一时间）up to date最新的；最近的；现代的out of date过时的；过期的date of birth出生日期date from追溯到；始于date back追溯到；回溯至daughter dt n. C 女儿；女性后裔 Is this your daughter? 这是你的女儿吗? 【知识拓展】granddaughter孙女day de n. C白昼；日光;He works every day except Sunday.除星期天外， 他每天都工作。Spring is coming and the weather gets warmer day by day.春天来了
4、，天气一天天边暖了。day by day 一天天地，逐日You will regret one day if you dont work hard.如果不努力的话，总有一天你回后悔的。 one day （过去或将来的）某一天He cant be abroad, I met him on the street the other day. 他不可能出国了，我不久前在街上还碰到过他。the other day 在不久前，某天the day before yesterday 前天the day after tomorrow 后天these days 如今day off 休息日every day每天；
5、one day（将来）有一天；总有一天；（过去）某一天all day整天by day在白天；day by day一天天；逐日next day第二天some day总有一天；将来有一天；other day几天前in the day在白天；在一天中national day国庆节day and night日以继夜last day最后一天； the day before前一天daytime detam n. C 白天，日间In the daytime he stayed up in his room, sleeping, or listening to music.白天，他呆在自己的屋子里睡觉或者听音
6、乐。in the daytime在白天，在白昼dead ded adj. 死亡的；麻木的；呆板的She mourned for her dead child.她哀悼她那死去的孩子。His dog is dead.他的小狗死了。be dead 死了deaf def adj. 聋的；He is deaf of in one ear.他聋了一只耳朵。The dead need to wear dead-aid.聋子需要佩戴助听器。deaf-aid助听器deal dil v. 处理；交往；对待；Ill deal with the children later.孩子们的事由我以后去处理。How will
7、 you deal with problem? 你将如何处理那个问题？deal with 对付，处理I have a great deal work to do. 我有大量的工作要做。a great deal of 大量dear dadj.亲爱的；十分敬重的；昂贵的Mr. Jack is a dear friend of mine.杰克先生是我亲爱的朋友。Never buy what you do not want because it is cheap; it will be dear to you.不要买虽然便宜但你并不需要的东西；因为它对你而言是非常昂贵的。deathden. 死亡；死；
8、死神War brings death and famine.战争带来死亡和饥荒。Her death affected me deeply.她的死使我深为悲恸。December dsembn.十二月decide dsadv.决定；下决心She should decide what to do with the money.她该决定怎样用这笔钱。You decide on an experiment.你决定做一个测试。decide on 决定How did you decide to do that? 你是如何决定那么做的呢？decide to do决定做某事同义词：make up ones mi
9、nd /determinedecision ds（）nn. C 决定；判决 All of us regret for the decision.我们都对那个决定感到后悔。Let me think about these matters for a time before I make a decision.让我仔细考虑一下这些事情，然后再做出决定。make a decision 作出决定deep dip adj. 深的；有深的adv.深入地，深深地What a deep river! 好深的一条河!The ship draws deep.这条船吃水深。degree dgrin. C, U 程度
10、；等级；度数；学位Its over 80 degrees outside.外面超过80度。This degree will qualify you for teaching.这个学位将使你有资格当教师。delete dlit v. 删除Shall we delete it? 我们应该删除它吗？delicious dlsadj.美味的；I like it because its delicious.我喜欢它，因为它是美味的。dentist dentst n. C 牙科医生；牙科诊所 ；There is something wrong with my sons teeth. He needs to
11、 see the dentist. 我儿子的牙齿有点毛病，他得去看牙医。depend dpendv. 取决于；依赖 ；相信He depended on his writing for his income.他靠写作谋生。You can depend on me.你可以信任我。depend on 取决于；依赖，依靠describe dskrabv. 描述；断言How do you describe your books? 你如何描述你的那些书？Let me describe him for you. 让我给你形容一下他。You cant describe the beauty of that p
12、lace with any words. 你无法用言语描述那个地方的美！desertdezt n. 沙漠This plan is to change the desert into farmland.这个计划是要将沙漠变为农田。desk deskn. C 书桌；办公桌 He took a dictionary from the desk.他从书桌上拿了一本词典。Put it on my desk.把它放在我的桌子上吧。The class-room is quiet. All the class are at desk.教室里静静的，全部同学们都在学习。at desk在学习，在读书或做作业I s
13、it at the desk as usual. 跟平常一样，我坐在书桌旁。sit at the desk坐在书桌旁dessertdzt n. C （饭后） 甜点，甜食Then we ate dessert and went to her apartment.然后我们吃起甜食，去了她家。develop dvelpv. 使发展；培育；生长；发育；In this way, we can develop ourselves in different aspects.这样我们就可以在不同的方面发展自己。developingdvelpadj.发展中的 China is a socialist count
14、ry, and a developing country as well.中国是一个社会主义国家，也是一个发展 中国家。developeddvelpt发达的Not all production will come from developed countries.并非所有产品都将来自发达国家。development dvelpm（）nt n. C 开发；发展；The development of the medicine industry will take several years. 医药工业的发展要经过几年的时间。dialogue dalgn. C 对话；对白Can you act ou
15、t the dialogue in pairs? 你们能两人一组表演这个对话吗?diary darn. C日记；日记薄Before we met, you showed me your diary.在我们相遇之前，你给我看了你的日记。I keep a diary everyday.我每天都坚持记日记。keep a diary记日记dictionary dk（）n（）rn. C 字典；辞书 She bought an English dictionary for me.她给我买了一本英语词典。May I borrow your dictionary? 我可以借你的字典吗?If you meet
16、new words, you can look it up in a dictionary .当你遇到新单词的时候，你可以在词典里查一下。look up in the dictionary 在字典里查阅die dav. 枯死；死于；What happens when we die? 我们死亡时发生了什么？To die for the people is quite glorious.为人民而死是十分光荣的。die for渴望，为了而死I dont want the panda to die out.我不希望熊猫灭绝。die out灭绝，消失ll die down there in the gr
17、ass.它们会在草丛中逐渐消失。die down逐渐消失【易错警示】die of/die fromdie of若死因存在于人体之上或之内（主要指疾病、衰老等自身的原因），一般用介词 of。如：die of illness （heart trouble, cancer, a fever, etc） 死于疾病 （心脏病，癌症，发烧等）die from若死因不是存在人体之内或之上，而是由环境造成的（主要指事故等方面的外部原因），一般用介词 from 。 如： die from an earthquake （a traffic accident, a lightning, a stroke, etc）
18、 死于地震（交通事故，雷击等）difference df（）r（）nsn. C, U 差异；不同程度 Is there any difference? 是否有任何的不同？Make a difference between these sounds.把这些音素区别开来。make a difference between区别对待different df（）r（）ntadj.不同的；不一致的 I want to do something different.我希望做些不同的事情。Now it is different from the past.现在和过去不同了。different from与不同，
19、区别于differently adv. 不同地，差异How could you have finished it differently? 你能以不同的方式完成它么？difficult dfk（）ltadj. 困难的；复杂的；艰难的；I must think out this difficult question.我必须好好想一想这个难题。【易错警示】difficult/harddiffficultdiffficult侧重于智力上的难题，The problem is difficult for me to work out. 我很难解出这道难题。hardhard 侧重体力上的难题。It is
20、hard for me to climb up the hill alone.独自一人爬上那座山对我来说太难了.difficulty dfk（）lt n. C 困难；障碍；We can overcome any difficulty.我们能战胜任何困难。We have difficulty （in） passing the exam. 要通过这次考试，我们有困难。have difficulty （in） doing sth. 在有困难dig dg （dug, dug） v.挖；掘；翻In those days we often went to dig for wild vegetables.那
21、时候我们常常出去挖野菜。It is impossible for you so few people to dig out such high mountains.你们这么少的人要挖掉这样两座大山是不可能的。dig out发现，掘出dining hall 餐厅At noon well eat at the school dining hall.中午我们可以在学校的餐厅里就餐。dinner dnn. 正餐；宴会 She invited us to her house for dinner.她请我们到她家吃晚饭。The whole family are at dinner.整个家庭成员都在吃饭。a
22、t dinner在吃饭after dinner餐后；晚餐后have dinner吃晚饭dinner party 宴会at dinner用餐；吃晚餐；正在用餐，正在吃饭；eat dinner吃晚饭，吃晚餐；family dinner家宴；家里聚会吃饭；have a dinner进餐，吃饭；cook dinner做饭；做晚饭；make dinner做晚餐；stay for dinner留下来吃饭；directdarekt adj. 笔直的；v.指引；导演；指挥I directed the traveler to the college.我告诉了这个旅行者去学院的路。Who directed the
23、 film “Gone with wind?” 电影飘是谁导演的？directiondreknn. C 指挥；管理；用法说明Go in this direction.照这个方向走。He smiles and goes off in the direction of someboats. 他只是笑了笑，然后朝船的方向走去。in the direction of朝方向，在方向City people usually give directions very quickly.城市人通常在指引方向时话说得很快。give directions发出指示，给出指示We take your bags and s
24、end them in all directions.我们将拿走您的行李，送往四面八方。in all directions四面八方，全面地，向各方向directordrekt; da- n. C 主任；主管；导演The director expresses his sorrow in his film.导演在影片中表达出他的悲哀。dirtydtadj. 肮脏的Throw your dirty clothes in the washing machine.把你的脏衣服扔进洗衣机。反义词：cleandisabled dsebld adj. 丧失能力的，有残疾的She believes that p
25、eople are not born disabled.她相信，人不是生来就是残疾的。disagree dsgri v. 不同意，持不同意见，有分歧I have to disagree with you on this.在这件事情上我不同意你的看法.disagree with sb.不同意某人I disagree about major points.我不同意有关的要点。disagree about在.方面意见不统一，对意见不一We disagree on how best to achieve these goals.我们在如何最好地实现这些目标上有不同意见。disagree on对持有不同
26、看法agreedisappeardsp v. 消失，不见But why did they disappear? 但他们为什么消失呢？The rain is coming in now, and it will soon disappear from sight.就要下雨了，它会很快从我的视线中消失了。disappear from从处消失appeardisbeliefdsblif n. C 不信，怀疑She looked at him in disbelief.她怀疑地看着他。in disbelief怀疑地，难以置信地doubtdiscoverdskvv. 找到；发现How did he dis
27、cover this? 他如何发现这个呢？discoverydskv（）r n. C 发现；发觉We made an important discovery.我们有了一个重大发现。make a discovery做出新发现discussdsks v. 讨论；议论 What shall we discuss next? 我们接下来讨论什么呢？The teacher often discusses questions with his students in class.这位老师经常在课堂上与学生讨论问题。discuss sth with sb 和某人讨论某事discussiondsk（）n n. 谈论；Many questions are under discussion.许多问题正在讨论。under discussio
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