An insect that lives only for a day or a few days.
From Greek, neuter of ephēmeros 'lasting only a day'.
From Greek, neuter of ephēmeros ‘lasting only a day’.
英语词典包含464360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。