(1)科学(研究)(systematic study of the nature and behavior of the material and knowledge based on observation and experiments)[U]：love/study～爱/学科学;apply～to sth 把科学应用于……;knowledge of～科学知识;the research/discovery in～科学方面的研究/发现;S～demands that theories must be tested by careful experiment and calculation. 科学要求理论必须经得起细心实验和精确计算的考验。a～book/project 一本科学书籍/一个科学项目;～fiction科幻小说(电影);

(2)(一门)科学，学科(any particular branch of such knowledge)[C，U]：the～of genetics/history/cooking 遗传/历史/烹饪学;social/natural/applied～s 社会/自然/应用科学;Which～does he study? 他在研究哪一科? 〖同〗knowledge;

(3)自然科学(knowledge so obtained or the practice of obtaining it)[U]：He is interested in～. 他对理科很感兴趣。a～textbook/teacher/subject 理科教材/理科教师/理科;

(4)专门的技巧(术)(skill or technique)[C，U]：the～of boxing 拳术;In this game，～is more important than strength. 在这种比赛中，技巧比力量更重要。We have the procedure down to a～. 我们已经熟练地掌握了这个程序。〖同〗technique，skill;

→′scientist n 科学家;͵scien′tific adj科学的