| 词汇 | biannually |
| 释义 | biannually adverb uk /baɪˈæn.ju.ə.li/ us /baɪˈæn.ju.ə.li/ twice a year: 一年两次地 The registry is updated biannually on 1 January and 1 July.登记簿每年更新两次，时间分别在1月1日和7月1日。 The Committee meets biannually.委员会一年举行两次会议。 Compare annually biennially Approximately 23,000 - 27,000 Sandhill Cranes migrate biannually through the San Luis Valley. Compounding of interest can be done monthly, quarterly or even biannually. The boys and their primary caretakers were each interviewed in their homes biannually for the first 4 years and annually thereafter. His office biannually compiles data comparing the number of referred complaints relative to market share for the top 12 financial groups. Relating to regular periods of time afternoons annual annum bi-yearly biannual dailiness daily daily grind evenings fortnightly hourly nights p.c.m. p.w. per annum quadrennial quadrennially triennial triennially weekly US once every two years: 每两年一次地 The fair has been held biannually since the 1980s.自上世纪80年代以来，该展会每两年举办一次。 Synonym biennially |
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