bienniumWiktionary 原文英/bʌɪˈɛn.ɪ.əm/美/baɪˈɛn.i.əm/词源链拉丁语Latin约前 75–公元 3 世纪biennium↓ 借入英语Englishbiennium词源说明From Latin biennium, from biennis (“2-year”) + -ium (suffix forming abstract nouns), from bi- (“two”) + annus (“year”), q.v.释义名词noun1A period of two years, particularly for purposes involving intercalation or fiscal calculations.同族词派生词 2