1.crest n.顶部(peak)

例:the crests of waves浪尖

2.criminology n.犯罪学(the scientific study of crime as a social phenomenon, of criminals, and of penal treatment)

词根记忆：crimin(犯罪)+ology(学科)一犯罪学

例:The police detective took courses in criminology.

3.cripple n.瘸子(a lame or partly disabled person or animal);v.使…成残废(to deprive of the use of a limb and especially aleg)

词根记忆：和creep(v.爬行)一起记

例:His right hand and arm were cripOled by a sniper's bullet during the First World War.

派生词：crippling(a．极有害的)

4.criteria n.标准(measure of value)

词根记忆：crit(评断)+eria--判断的手段--标淮

例:They invoke four principal criteria for determining climatic conditions existing in the past.

5.criterion n.评判的标准，尺度(standard by which sth. is judged)

词根记忆：crit(判断)+er(看作err错误)+ion--评判的标准

注意：复数形式criteria

例:Using acrrterion based on an object's color, astronomers recently identified 23 galaxies so distant from Earth that their light has taken 85 percent of the age of the universe to reach us.

6.critic n．评论家，批评家(one who engages often professionally in the analysis,evaluation, or appreciation of works, of art or artistic performances)

词根记忆：crit(评断)+ic--做评断的人--评论家

例:The cribcs are correct on this point.

派生词：critical(a.批评的；关键的)；criticism(n.评判，批评)；criticize(v.批评；评论)

The supreme happiness of life is the conviction that we are loved.
生活中最大的幸福是坚信有人爱我们。

——法国小说家雨果(VictorHugo, French novelist)