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	pillow lava pillowslip pillow talk pillowy Pillsbury pilocarpine pilose pilosity pilot pilotage pilot balloon pilot bread pilot burner pilot cell pilot engine pilotfish pilot fish pilothouse piloting pilot lamp pilot light pilot whale pilous pilous pilsener

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。