D
defect n.缺陷
deliberate a.故意的=on purpose
depress v.使沮丧
detect v.发现
descend v.下降
dim a.昏暗的
disguise v.化装
dispose of v.去掉;处理
distress n. /v.痛苦
diverse a.多样的
document v.证明
dominate v.支配
drain v.排走;耗尽
discard v.丢弃 Don’t ～ the drink cans carelessly.
deduce v.推断
dedicate v.献给
deficiency n.缺乏，不足 a vitamin ～ in his diet
defy v.(公然)违抗
degenerate v.退化
degrade v.降低身份
deprive v.剥夺 You ～d him of his right to privacy.
descendant n.后代
destiny n.命运=fate
destructive a.破坏性的 The weapon has a great ～ power.
deteriorate v.恶化 His health has ～d.
dignity n.尊严
dilemma n.困境 A doctor’s ～——to lie or to tell the truth?
diminish v.变少
disable v.丧失能力
disastrous a.灾难性的
disperse v.分散，消散，驱散
distort v.歪曲
divert v.转移，使转向> A loud noise diverted my attention from the work.
donate v.捐献>Have you ～d blood?
doom v./ n.注定;劫数>He is doomed to failure.
drastic a.严厉的～ measures
drawback n.缺点
One of the ～s of living in the XIASHA is inconvenience in daily life.
dwell on v.总是想;详述 Don’t ～ on the past.