单词	biannual
释义	bi·an·nu·al (bī-ăny-əl) adj. 1. Occurring twice each year; semiannual. 2. Occurring every two years; biennial. bi·annu·al·ly adv.
随便看	zoolatrous zoolatry zoologic flaccid flaccidity flaccidly flaccidness flack flack flack flackery flacon flag flag flag flag flag carrier Flag Day flagella flagellant flagellantism flagellar flagellate flagellation flagelliform

英语词典包含135693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。