1.diplomatic a.外的(of, relating to, or concernedwith diplomacy or diplomats)
2.dire a．可怕的(exciting horror)：悲惨的(dismal)
3.disability n.无能(the condition of beingdisabled)；无***(lack of legal qualification todo sth.)
例:A common disability in test pilots is hearing impairment,a consequence of sitting tooclose to large jet engines for long periods of time.
4.disaster n.灾难：彻底的失败(a sudden or great fai,ure)
例:natural disaster自然灾害，//In fact, privatization has rescued individual industries but theeconomy as a whole is headed for disaster.
5.discard v.扔掉，丢弃(to get rid of or cast)
例:Those researchers wont discard their theories about the effects of microwave radiation onorganisms.
6.discern v.（费劲）识别，辨认(to detect with senses other than vision)
例:Human beings can discem spatial relations through their sense of hearing.
7.discharge v./n.排放(to emit);释放(to release from confinement, custody or care)；解雇(to dismiss)
例:Federal regulations requiring a drop in industrial discharges of lead went into effect in 1975. 11 The physician knew when the patient may be discharged.
例:This famous musician founded no school and left behind only a handful of disciples.
9.discipline v.训练，调教(to teach, to train)；n.纪律；学科(a field of study)
例:The sergeant disciplined the recruits.//academic discipline学科
10.disclosure n．披露，揭发(the act or an instance of disclosing)
例:Among those making the required financial disclosure this year is a prominent localbusinessman, Arnold Bergeron.