hard science
noun [ C or U ] uk/ˌhɑːd ˈsaɪəns/ us/ˌhɑːrd ˈsaɪəns/
硬科学（其理论或事实可以精确测量、测试或证明的科学）
science, or a branch of science, in which facts and theories can be firmly and exactly measured, tested, or proved
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。