四级考试写作必备:常见词汇英文的表达(2)

　　analogy n. ~ partial similarity between two things that are compared

　　analyse v. separate into its parts in order to study its nature or structure

　　annual adj. happening every year

　　anticipate v. expect

　　apparent adj. clearly seen or understood; obvious

　　append v. ~ sth attach or add sth

　　appreciate v. understand and enjoy ; value highly

　　approach v. come near or nearer to in space or time

　　appropriate adj. ~ suitable; right and proper

　　approximate adj. almost correct or exact but not completely so

　　arbitrary adj. based on personal opinion or impulse, not on reason

　　area n. extent or measurement of a surface

　　aspect n. particular part or feature of sth being considered

　　assemble v. come together; collect

　　assess v. ~ sth decide or fix the amount of sth

　　assign v. ~ sth to sb give sth to sb as a share of work to be done or of things to be used

　　assist v. ~ in/with sth; ~ in doing sth help

　　assume v. accept as true before there is proof

　　assure v. tell positively or confidently

　　attach v. ~ sth fasten or join sth

　　attain v. succeed in getting ; achieve

　　attitude n. ~ way of thinking or behaving

　　attribute v. ~ sth to sb/sth regard sth as belonging to, caused by or produced by sb/sth

　　author n. writer of a book, play, etc

　　authority n. power to give orders and make others obey

　　automate v. cause to operate by automation

　　available adj. that can be used or obtained

　　aware adj. ~ of sb/sth; ~ that... having knowledge or realization of sb/sth