备考资料：托福考试词汇研究－Unit9

　　daredevil n.挺而走险的人;胆大的 [DARE大胆+DEVIL鬼]

　　dart v.投掷 [darz, dars,Frank]

　　dashing a.勇敢的;有活力的;华丽的 [DASH急冲;突进]

　　dastard n.懦夫 [dastardly 懦弱的;卑鄙的 das'tardliness(惯用法)dastardly的狭义用法指懦弱的行为,广义用法指可]鄙 [行为]

　　daubster n.笨画匠 [("涂石灰涂料")wattle and daub 拙劣的画 wattle 编枝条工艺 澳洲相思树]

　　daunt v.恐吓;使失去勇气 [ daunter, OF danter, donter domitare frequent of domare tame(undaunted不畏惧的)]

　　dauntless a.无所谓的;大胆的

　　dawdle v.怠惰;闲荡;浪费光阴 [perh rel to dial daddle, doddle idlea<人>没有工作的,不在工作的,闲散的 <时间>空的,闲着的 , dally] [浪费<时间>,蹉跎<时光>~ away the time 浪费时]

　　deadlock n.停顿;停滞 [DEAD+LOCK]

　　dearth n.缺乏;少 [ formed as DEAR]

　　debacle n.崩溃;瓦解 [( "开闩")]

　　debase v.贬低;降格 [DE-+obs base for ABASE]

　　debauch v.使堕落 [de+bauch(大梁BEAM)debauchery放荡,游荡;酒色]

　　debenture n.债券 [ debentur are owing debere owe: assim to -URE]

　　debilitate v.使衰弱;使虚弱 [ debilitare(DEBILITY)]

　　debonair a.和蔼的;快乐的 [ debonaire = de bon aire of good disposition]

　　debutante n.初入社交界的少女 [(进入社交界) DEBUT 初在舞台(社交界);初次登台 make one's ~ 初次登台]

　　decadence n.衰弱;颓废 [ decadence medL decadentia

　　decalogue n.十戒 [Decalogue deca十+logos 命令]

　　decamp v.撒营;逃走;逃亡 [ decamper(DE-, CAMP)]

　　decant v.慢慢倒出 [medL decanthare(DE-,  canthus kanthos canthus, used ofthe lip of abeaker)]

　　deceit n.欺;诈欺;虚伪;奸诈 [ of deceveir decipere deceive(DE-, caperetake)DECEPTION.诈欺,瞒骗,迷惑,骗人的东西]

　　deciduous a.落叶性的 [ deciduus decidere cadere fall]

　　decimate v.毁掉大部分;由十中选一 [ decimare take the tenth mandecimus tenth]

　　decipher v.翻译;辨读;翻译密码

　　decompose v.分解(成分);腐烂 [ decomposer(DE-, COMPOSE)decomposition n]

　　decorum n.端正;礼貌合宜;礼节 [neut of decorus seemly DECORATION装饰;美化DECOROUS符合礼节的;相称的]

　　decoy n.引诱物;诱饵 [ de kooi the decoy de THE+kooi cavea cage]

　　decree n.v.法令;布告;判决 [ decre decretum neut pp. of decernere]

　　decide(DE-, cernere sift)]decrepit a.衰老的;破旧的 [ decrepitus(DE-, crepitus pp. of creparecreak)decrepitude衰老,老耄,老朽]

　　decry v.责难;轻视 [after F decrier: cf cry down]

　　dedicate v.奉献 [ dedicare(DE-, dicare declare, dedicate)]deducible a.可推知的 [deduce("往下引导")(从)演绎<结论、真理等>;推断,推测,推论(→ infer)Ldeducere (as DE-, ducere] [duct- lead)]

　　deed n.行为;契据;立契出让 [a ~ of covenant(经签名盖章的)条款,契据]

　　deem v.认为;视为 [ deman, rel to DOOM(常指坏的)命运;劫数;毁灭,死亡(上帝所下的)最后审判注定()(to) ~ed to] [oblivion 注定被遗忘]

　　deface v.伤毁(外表或美观) [ defacer desfacier(DE-, FACE)]

　　defalcate v.盗用公款 [med defalcare lop(DE-,  falx -cis sickle)]

　　defamation n.诽谤;中伤 [DEFAME  diffamer etc diffamare spread evilreport(DIS-, fama report)]

　　default n.不履行责任;缺席 [ defaut(e) defaillir fail Rmc(DE-, falleredeceive): cf FA]

　　defeatist a.失败主义者的 [defeatism 失败主义;失败主义的行动]

　　defect n.缺点;缺乏;背叛;脱离 [ defectus deficere desert, fail(DE-, facere do)defection背离;背叛;脱党]

　　deference n.服从;尊重 [ deference(DEFER)]