dictate——To prescribe with authority； impose命令；To issue orders or commands命令=determine To reach a decision； resolve解决，决定，=prescribe To set down as a rule or guide； enjoin指定，规定
devastate——To lay waste； destroy变成废墟，荒芜；破坏=ruin
device——A contrivance or an invention serving a particular purpose， especially a machine used to perform one or more relatively simple tasks机器=instrument A device for recording， measuring， or controlling， especially such a device functioning as part of a control system仪表
devoid of ——free of无……的，免于……的；摆脱了……的
destruction——The act of destroying毁灭=demolition The act or process of wrecking or destroying， especially destruction by explosives.摧毁破坏
detect——To discover or ascertain the existence， presence， or fact of查明；发现=discover， sense To become aware of； perceive感觉意识到
detectable——Can be discovered or ascertained the existence， presence， or fact可查明；可发现apparent， measurable，sizable
derive——To obtain or receive from a source得到=obtain，
To issue from a source； originate起源于=stem from
depression——An area that is sunk below its surroundings； a hollow下陷处=low
depressed——Low in spirits； dejected情绪低落的；沮丧的=saddened
deposit——To put or set down； place放置=place， lay
deplete——To decrease the fullness of； use up or empty out消灭，用完或用光=exhaust， run out
dense——Hard to penetrate； thick浓厚的=thick， heavy
delicate——Marked by sensitivity of discrimination敏锐的=sensitive
Easily broken or damaged脆弱的=fragile
delicate——Considerate of the feelings of others体贴的=careful， intentionally
deft——Quick and skillful； adroit灵巧的=skilled
extract——To remove for separate consideration or publication； excerpt摘录=remove
extend——To stretch or spread （something） out to greater or fullest length延伸=increase， stretch， outspread
extensive——Large in extent， range， or amount广大的=wide， far from reaching
exponential——Containing， involving， or expressed as an exponent指数的=rapid， increase
exert——To bring to bear； exercise对…施加=apply To putsintosaction使用，运用，=cause
exhibition——The act or an instance of exhibiting展览=display
exorbitant——Exceeding all bounds， as of custom or fairness过高的，昂贵的=expensive
expand——To increase the size， volume， quantity， or scope of； enlarge扩大=increase
excessive——Exceeding a normal， usual， reasonable， or proper limit过量的=extreme Extending far beyond the norm过分的
exclusion——The condition or fact of being excluded.排除或被排除的状态keep out of躲开；置身于…之外
execution——制作=create
exalted——Lofty； sublime； noble高的，崇高的；高贵的=superior Of great value or excellence； extraordinary价值巨大或品质优越的；突出的