noun🔗Share一年两次，半年刊 Something occurring twice each year."The company holds a biannual conference, once in the spring and once in the fall. "这家公司会举办一年两次的会议，一次在春季，一次在秋季。timefrequencyChat with AIVocabulary GamePractice Reading
adjective🔗Share一年两次, 一年两回 Occurring twice a year; semiannual."Our company holds a biannual conference in June and December. "我们公司每年六月和十二月举行一年两次的会议。timefrequencyChat with AIVocabulary GamePractice Reading
adjective🔗Share两年一次 Occurring once every two years; biennial."The Olympic Games are a biannual event, meaning they happen every two years alternating between the Summer and Winter games. "奥运会是两年一次的盛事，也就是说夏季奥运会和冬季奥运会每两年交替举办一次。timefrequencyChat with AIVocabulary GamePractice Reading
