descend/ di5send/v.传下,遗传descendantn.子孙,后裔desegregation/ di:segri5geiFEn/n.取消种族隔离desktop/ /n.［计算机］桌面系统,背景despise/ dis5paiz/v.轻视,轻蔑detached/ di5tAtFt/a.分开的,超然公平的detection/ di5tekFEn/n.查出,探获detergent/ di5tE:dVEnt/a.净化的,n.清洁剂deterioration/ ditiEri:E5reiFEn/n.变坏,恶化;退化deterrent/ di5terEnt/n.制止(因素),威慑物 a.制止的,威慑的detractor/ /n.贬低者detrimental/ dZtrE5mZntl/a.有害的,不利的(to) n.有害的人或物devastate/ 5devEsteit/vt.使荒芜,破坏;压倒diabetes/ daiE5bi:tiz/n.糖尿病diagonal/ dai5AgEnl/n.对角线dialect/ 5daiElekt/n.方言diameter/ dai5AmitE/n.直径diaper/ 5daiEpE/n.婴儿尿布diapir/ /n.［地］挤入构造dichotomy/ dai5kRtEmi/n.二分;本质对立didactic/ di5dAktik/a.教诲的,说教的die out/ /灭绝,绝种diesel/ 5di:zEl/n.内燃机,柴油机difference/ 5difrEns/n.差digital audiotape/ /数字音带dilution/ dai5lu:Fn, di-/v.稀释,渗水diminish/ di5miniF/v.减少,减弱, 削弱dine/ dain/v.吃饭;招待...吃饭;(房子,桌子)可容...吃饭)dinosaur/ 5dainEsR:/n.恐龙dioxide/ dai5Rksaid/n.二氧化物,carbon dioxide 二氧化碳dip/ dip/n. 倾斜,下降,下沉;浸渍;溶液diphtheria/ dif5WiriE/n.［医］白喉［症］diploma/ di5plEumE/n.文凭directive/ di5rektiv/n.命令,指令;指挥机,a.指示的,管理的disarm/ dis5a:m/vt.使人消除敌意disavow/ disE5vau/vt.不承认,抵赖,拒绝对...承担责任discern/ di5sE:n/v.(费劲)识别,看出discharge/ dis5tFa:dV/v.流出;释放;解雇discount/ 5diskaunt/vt.不全信,对....持怀疑态度discourse/ dis5kR:s/n.演讲,论述discrete/ di5skrit/a.个别的,不连续的discretionary/ /a.分立的,处理自由的discrimination/ diskrimi5neiFEn/n.歧视,偏见disenfranchise/ 5disin5frAntFaiz/vt.剥夺....的公民权disguise/ dis5gaiz/vt.把...假扮起来;隐瞒disinclination/ disinkli5neFEn/n.不愿意dislodge/ dis5lRdV/v.逐出,取出dismal/ 5dizmEl/a.忧郁的,凄凉的,阴沉的;dismantle/ dis5mAntl/vt.脱掉...的衣服;拆除...的设备;粉碎dismember/ dis5membE/vt.割下(动物)肢;肢解;割裂;瓜分disorder/ dis5R:dE/n.不适,异常;不舒服disorient/ dis5R:riEnt/vt.使迷失方位;使迷惑disparaging/ dis5pAridViN/a.贬抑的,轻蔑的disparate/ 5dispErit/a.迥然不同的,不可并论的disparity/ dis5pAriti/n.不同,差异