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	adjacent adjacent angle adjacently adjectival adjectivally adjective adjectively adjective pronoun adjoin adjoining adjourn adjournment Adjt. adjudge adjudicate adjudication adjudicative adjudicator adjunct adjunction adjunctive adjuration adjuratory adjure adjurer

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