1.diplomatic a.外的(of, relating to, or concerned with diplomacy or diplomats)

聯(lián)想記憶：diploma(文憑)+tic--外交工作需要高文憑--外交的

例:diplomatic relation外交關(guān)系

2.dire a．可怕的(exciting horror)：悲慘的(dismal)

例:dire consequences可怕的后果

3.disability n.無能(the condition of being disabled)；無資格(lack of legal qualification to do sth.)

詞根記憶：dis（不）+ability(能力)一沒有能力--無能

例:A common disability in test pilots is hearing impairment,a consequence of sitting too close to large jet engines for long periods of time.

4.disaster n.災(zāi)難：徹底的失敗(a sudden or great fai,ure)

聯(lián)想記憶：dis(離開)+aster(星星)一星星偏離軌道一災(zāi)難

例:natural disaster自然災(zāi)害，//In fact, privatization has rescued individual industries but the economy as a whole is headed for disaster.

派生詞:disastrous(a.損失慘重的；災(zāi)難性的)

5.discard v.扔掉，丟棄(to get rid of or cast)

詞根記憶：dis（消失掉）+card(心)一從心里消失掉一扔掉，丟棄

例:Those researchers won't discard their theories about the effects of microwave radiation on organisms.

6.discern v.（費(fèi)勁）識(shí)別，辨認(rèn)(to detect with senses other than vision)

詞根記憶：dis(分離)+cern(分開，辨別)一識(shí)別

例:Human beings can discem spatial relations through their sense of hearing.

派生詞：discernible(a．可辨別的)

同根詞：concern(v.關(guān)注)

7.discharge v./n.排放(to emit);釋放(to release from confinement, custody or care)；解雇(to dismiss)

詞根記憶：dis（離開）+charge(裝，委托)一不裝載一釋放

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.

8.disciple n.門徒，弟子(follower)

例:This famous musician founded no school and left behind only a handful of disciples.

9.discipline v.訓(xùn)練，調(diào)教(to teach, to train)；n.紀(jì)律；學(xué)科(a field of study)

聯(lián)想記憶：dis+cip(拿)+line(線)--拿一條線來訓(xùn)練--訓(xùn)練

例:The sergeant disciplined the recruits.//academic discipline學(xué)科

10.disclosure n．披露，揭發(fā)(the act or' an instance of disclosing)

詞根記憶：來自disclose(v.公開，揭露)

例:Among those making the required financial disclosure this year is a prominent local businessman, Arnold Bergeron.

同根詞：close(v.關(guān)；結(jié)束；a．親近的)