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    defect n. 缺陷
    deliberate a. 故意的 =on purpose
    depress v. 使沮喪
    detect v. 發(fā)現(xiàn)
    descend v. 下降
    dim a. 昏暗的
    disguise v. 化裝
    dispose of v. 去掉; 處理
    distress n. /v. 痛苦
    diverse a. 多樣的
    document v. 證明
    dominate v. 支配
    drain v. 排走;耗盡
    discard v. 丟棄 Don’t ~ the drink cans carelessly。
    deduce v. 推斷
    dedicate v. 獻給
    deficiency n. 缺乏，不足 a vitamin ~ in his diet
    defy v。(公然)違抗
    degenerate v. 退化
    degrade v. 降低身份
    deprive v. 剝奪 You ~d him of his right to privacy。
    descendant n. 后代
    destiny n. 命運=fate
    destructive a. 破壞性的 The weapon has a great ~ power。
    deteriorate v. 惡化 His health has ~d。
    dignity n. 尊嚴
    dilemma n. 困境 A doctor’s ~ ——to lie or to tell the truth?
    diminish v. 變少
    disable v. 喪失能力
    disastrous a. 災(zāi)難性的
    disperse v. 分散，消散，驅(qū)散
    distort v. 歪曲
    divert v. 轉(zhuǎn)移，使轉(zhuǎn)向> A loud noise diverted my attention from the work。
    donate v. 捐獻>Have you ~d blood?
    doom v./ n. 注定; 劫數(shù)>He is doomed to failure。
    drastic a. 嚴厲的 ~ measures
    drawback n. 缺點=disadvantage> One of the ~s of living in the XIASHA is inconvenience in daily life。
    dwell on v. 總是想;詳述 Don’t ~ on the past。