/prəˈdʌktɪv ||; prəˈdʌktɪv/adj1 that makes or grows sth, especially in large quantities 有生产力的;肥沃的;多产的: The company wants to sell off its less productive factories. 公司要把那些产能较低的工厂出售。
2 useful (because results come from it) 有成效的:
a productive discussion 富有成效的讨论 ➔productivity /ˌprɒdʌkˈtɪvəti ||; ˌprɑdʌkˈtɪvətɪ/ noun [U]