Home/every six monthsevery six months每六个月,每六个月一次Synonyms & Antonymsas insemiannualSynonymsbiannual半年一次,半年度,两年一次,半年一度half-yearly半年一次,半年,半年一度的,半年一度semiyearly半年一次,半年度,每半年一次,半年一度Level 9Browse all words →