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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	turkey trot turkey vulture Turkic Turkish Turkish angora die die back dieback diecious diecious die down Diefenbaker dieffenbachia diegesis diegetic Diego Diego Armando die hard die-hard diehard die-hardism dielectric dielectrically dielectric constant dielectric heating

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。