复数形式是bays，例如：
1、The results showed that the loads of nitrogen and phosphorus of these two bays increased quickly in recent years.结果表明：近些年来，2湾遭受的氮、磷内源负荷比以前大
2、Comprehensive assessment of seawater quality in Dayao and Xiaoyao bays of Liaotung Peninsula辽东大、小窑湾海域水质综合评价
