breeding activity meaning in Chinese

• 繁殖活动
• 育种活动

• breeding:    n. 1.孵化；饲养；繁育。 2.选 ...
• activity:    n. 1.活动；活跃；动作；活动力； ...
• be in activity:    在活动中

Examples

1. Monitoring of the sites has shown that the releases have generally been successful as breeding activities have been observed in most of the sites
   根据监察显示，在大部份放生的地点，都发现有树蛙繁殖，放生行动可谓成功。