science             
noun uk/ˈsaɪ.əns/ us/ˈsaɪ.əns/
A2 [ U ]科学;自然科学;科学知识 
(knowledge from) the careful study of the structure and behaviour of the physical world, especially by watching, measuring, and doing experiments, and the development of theories to describe the results of these activities
  pure/applied science 纯/应用科学 
 recent developments in science and technology 科学技术的最新发展 
 Space travel is one of the marvels/wonders of modern science. 太空遨游是现代科学的一大奇迹。 
 B1 [ C or U ]理科学科 
a particular subject that is studied using scientific methods
  physical sciences 物理学 
 Economics is not an exact science. 经济学严格说并不是一门科学。 
 advances in medical science 医学的发展 
 A2 [ U ]理科研究 
the study of science
  a science graduate/teacherteacher 理科研究生/教师 
 a science course/lesson 理科课程/课 
 - More examples
 - forensic science
 - the frontiers of science and technology
 - a science lab
 - one of the pioneers of modern science
 - We need to invest more as a country in science and technology.