n.二年间(两年的时期)
Biennium bond fell 2 / 32 to yield 0.811 percent. 两年期国债下跌2/32，收益率为0.
They have always been approved for every biennium. 每两年度对它们进行一次审批。
The budget for the current biennium represents a 3 per cent reduction in real terms from the budget for 2000-2001. 本两年期的预算按实际价值计算比2000-2001年的预算减少3%25。
He went downstream,and arrived at the river mouth to the sea.Suddenly,the god of the North Sea,whose name was Biennia Ruo,appeared before his eyes. 秋天到了，连日的暴雨使大大小小的河流都注入黄河，黄河的河面更加宽阔了，隔河望去，对岸的牛马都分不清。
It then reported on activities by the Intellectual Property Office of the Philippines in the past biennium. 该代表团报告了菲律宾知识产权局在过去两年期内的活动。
adv.二年一次地；每两年
