同根常考词汇：需掌握
◆disseminate[di‘semineit]v.散布，传播
举例：The agency would collect and disseminate information.
通讯社收集和传播讯息。
◆distract[dis’trkt]v.分心，分散注意力
用法：distract from：使（人）分心，分散（注意力等）
be distracted with：被……搞得心烦意乱
举例：The school students were distracted by the noise
outside the classroom.
教室外边的喧闹声使学生们不能集中注意力。
同形：distracted[dis‘trktid]a.心烦意乱的
◆discriminate[dis’krimineit]v.辨别；歧视
用法：discriminate against：歧视，排斥
discriminate between：区别；辨别
discriminate……from……分清……与……的差别
举例：The new law discriminates against lower-paid workers.
这条新法律歧视低工资的工人。
◆dismiss[dis‘mis]v.解散；开除
举例：The new governor dismissed the staff that served his predecessor.
新州长将前任州长的职员全部解雇。
同形：miss[mis]n.小姐：v.漏掉，错过，想念
◆discard[dis’kɑd]v.丢弃，抛弃
举例：We should discard old beliefs.
我们应该抛弃旧观念。
同形：card[kɑd]n.卡片
postcard[‘pustkɑd]n.明信片
cartoon[kɑ’tun]n.动画片
◆discuss[dis‘ks]v.讨论
举例：We’d like to discuss a mortgage.
我们想请教一下关于贷款的事。
同形：discussion[dis‘kn]n.讨论，商讨
同根普通词汇：要了解
◆dispense[dis’pens]v.分配
举例：The firm has been dispensing ointments.
本公司配制药膏。
◆distend[dis‘tend]v.膨胀
举例：The balloon was distended because of filling of hydrogen.
气球因充满了氢气而膨胀。