1.dissent v./n.不同意（to differ in opinion）

詞根記憶：dis(不)+sent(感覺)--沒有同感--不同意

例:Of the ten members, only one dissented.//There is rarely any dissent among the club members.

2.dissimilar a．不同的，不相似的(unlike)

詞根記憶：dis(不)+similar(相似的)--不相似的

例:Some fraternal twins resemble each other greatly and others look quite dissimilar

派生詞：dissimilarly( ad.不同地)

同根詞：similar(a．相似的；n.類似物)

3.dissipate v.（使）消散，（使）消失(to break up and scatter or vanish)

詞根記憶：dis(分開)+sip(吸)+ate--吸走--消失

例:The warm air from the stove rapidly dissipated in such a cold room.

4.dissociate v.分離，分開(to separate from association or union with another）

詞根記憶：dis(不)+soci(同伴，引申為社會)+ate--不要同伴一分離

例:Max dissociated himself from the radical group.

5.distill v.蒸餾(to let fall, exude, or precipitate in drops or in a wet mist)；提取(to extract the essence of)

詞根記憶：di（分離）+still(滴)一分離出來的水滴一蒸餾

注意：distillate(n.餾出液，精華)：instill(v.滴注，灌輸)

例:This alcohol is distilled from cereal grain.//They left it to the textbook writers to distill the essence of those values for school children.

派生詞：distillation(n.蒸餾)

6.distinct a．不同的，有差別的(different)

詞根記憶：di(分開)+stinct( =sting刺)--用刺促使分開--不同的

例:There are several distinct strains of malaria.

派生詞：distinctly( ad.不同地)；distinction(n.區別)；distinctiveness(n.特殊性)

7.distinctive a．出眾的，有特色的(that distinguishes sth. by making it different from others)

詞根記憶：distinct(明顯的)+ive--出眾的，有特色的

例:The binding of different kinds of information is not adistinctive feature of episodic memory.

派生詞：distinctively( ad.特殊地；區別地)

8.distinguish v.區別，辨清（to perceive a difference in）；（使）杰出(to give prominence or distinction to)

詞根記憶：di（分開）+sting(刺)+uish--將刺挑出來--區別

例:Researchers successfully trained an anteater to distinguish between two troughs of water.//Tom distinguished himself in chemistry.

派生詞：distinguished(a，杰出的)：distinguishing(a．有區別的)

9.distort v.弄歪(to twist out of a natural, normal, or original shape of condition);歪曲(to deform)

詞根記憶：dis+tort(扭曲)--弄歪，歪曲

例:My research suggests that textbooks sometimes distort history to suit a particular cultural value system.

派生詞：distorted(a．扭曲的)；distortion(n．扭曲，曲解)

10.distribute v.分配，分發(to divide among several or many）

詞根記憶：dis+tribute(給)--給予--分配

例:The courts in theory are available to all but in fact are unequally distributed between rich and poor.

派生詞：distribution(n.分配)；distributive(a．分配的)：distributor(n.發行人)