| 单词 | biannual |
| 释义 | biannual biannual /baɪˈæn.ju.əl/ adjective [before noun] ► F0 happening twice a year: » The committee has just published its biannual report.→ COMPARE ANNUAL(Cf. ↑annual) adjective, BIENNIAL(Cf. ↑biennial) adjectiveThesaurus+: ↑Relating to regular periods of time |
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