disparate ADJ. /大相径庭的;没关系的/basically different; unrelated. Unfortunately, Tony and Tina have disparate notions
of marriage: Tony sees it as a carefree extended love affair, while Tina sees it as a solemn commitment to build a family and a home.
disparity N. /不同;差距/difference; condition of inequality. Their disparity in rank made no difference at all to the prince
dispassionate ADJ. /平静的;公平的/calm; impartial. Known in the company for his cool judgment, Bill could impartially
examine the causes of a problem, giving a dispassionate analysis of what had gone wrong, and go on to suggest how to correct the mess.
dispatch N. /急速;急件/speediness; prompt execution; message sent with all due speed. Young Napoleon defeated
the enemy with all possible dispatch; he then sent a dispatch to headquarters informing his commander of the great victory. also V.
dispel V. /散开;分裂;消失/scatter; drive away; cause to vanish. The bright sunlight eventually dispelled the morning
disperse V. /散开/scatter. The police fired tear gas into the crowd to disperse the protesters. dispersion, N.
dispirited ADJ. /没情绪的，沮丧的/lacking in spirit. The coach used all the tricks at his command to buoy up the
enthusiasm of his team, which had become dispirited at the loss of the star player.
disputatious ADJ. /好辩的/argumentative; fond of arguing. Convinced he knew more than his lawyers, Alan was a
disputatious client, ready to argue about the best way to conduct the case. disputant, N.
disquiet V. /使焦虑，使难受/make uneasy or anxious. Holmes's absence for a day, slightly disquieted Watson; after a
week with no word, however, Watson's uneasiness about his missing friend had grown into a deep fear for his safety. disquietude, N.
dissection N. /分析;解剖/analysis; cutting apart in order to examine. The dissection of frogs in the laboratory is
particularly unpleasant to some students.
dissemble V. /伪装，做作，掩饰/disguise; pretend. Even though John tried to dissemble his motive for taking modern
dance, we all knew he was there not to dance but to meet girls.
disseminate V. /分发，扩散，散布/distribute; spread; scatter (like seeds). By their use of the Internet, propagandists
have been able to disseminate their pet doctrines to new audiences around the globe.
dissent V. /反对/disagree. In the recent Supreme Court decision, Justice O'Connor dissented from the majority
opinion. also N.
dissertation N. /论文(博士生)/formal essay. In order to earn a graduate degree from many of our universities, a
candidate is frequently required to prepare a dissertation on some scholarly subject.
dissident ADJ. / 持不同意见的; 难于对付的/dissenting; rebellious. In the purge that followed the student demonstrations
at Tiananmen Square, the government hunted down the dissident students and their supporters. also N.
dissimulate V. /伪装，做作，掩饰/pretend; conceal by feigning. She tried to dissimulate her grief by her exuberant
dissipate V. /驱散，消散;浪费/squander; waste; scatter. He is a fine artist, but I fear he may dissipate his gifts if he
keeps wasting his time playing games.
dissolute ADJ. /放纵，挥霍/loose in morals. The dissolute life led by the ancient Romans is indeed shocking.
dissolution N. /解散;终止;解体/breaking of a union; decay; termination. Which caused King Lear more suffering: the
dissolution of his kingdom into warring factions, or the dissolution of his aged, failing body?
dissonance N. /不和谐的(声音)/discord. Composer Charles Ives often used dissonance-clashing or unresolved
chords -for special effects in his musical works.
dissuade V. /劝阻;使灰心/persuade not to do; discourage. Since Tom could not dissuade Huck from running away from home, he decided to run away with him. dissuasion, N.