1920s; earliest use found in Stewart Paton (1865–1942). From psycho- + biologic, after psychobiology. Compare French psychobiologique, German psychobiologisch.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。