*sci·ence/`saɪəns; ˈsaɪəns/ n 1 [U] knowledge that is based on testing and proving facts, or the study that produces this knowledge 科学; 科学研究: developments in science and technology 科技的发展 2 [C] an area of science, such as BIOLOGY or CHEMISTRY, or a subject that is studied like a science 〔一门〕科学〈如生物学〉; 〔理科的〕学科