1.compound n.混合物，化合物(something formed by a union of elements or parts); a．混合的(composed of or resulting from union of separate elements, ingredients, or parts)

词根记忆：com(一起)+ pound(放)--混合物

例:Water is a chemical compound of oxygen and hydrogen.

2.comprehend v.理解，领会(to understand)；包含(to include)

词根记忆：com(一起)+ prehend(抓住)--起抓住--领会

例:They assume that commercial institutions cannot comprehend the special needs of minority enterprises.

同根词：prehensile(a．适于抓住的)；comprehensible(a．容易了解的)

3.comprehension n.理解（the act or action of grasping with the intellect）；包含(the act or process of comprising)

词根记忆：com(加强)+prehens(抓)+ion--全部抓住--理解

例:Each of the reading compriahension questions is based on the content of a passage.

同根词：apprehend(v.理解：逮捕)

4.compress v.压缩，浓缩(to press or squeeze together)

词根记忆：com(共同)+press(压)--全部压--压缩

例:A transmitter compresses the digital signal as it is sent.

派生词：compression(n.压缩)

5.comprise v.包含(to include）；组成(to make up, compose)

词根记忆：com(共同)+pris(握取)+e--被握在一起--包含;组成

例:In the country, women comprjise 45 percent of the labor force.

6.compromise v.妥协(to settle by concessions)；n.折衷(settlement of differences by consent reached by mutual concessions)

词根记忆：com(共同)+promise(保证)一相互保证一妥协

例:The legislation that came out of Congress was a compromise measure.

You have to believe in yourself.That’s the secret of success.
人必须相信自己，这是成功的秘诀。

一美国演员卓别林(Charles Chaplin' American actor)