active operator

例句：

1. 1. The team is active in promoting environmental awareness.
   该团队积极推广环保意识。
2. 2.The new policy will make the company more active in market competition.
   新政策将使公司在市场上更具竞争力。
3. 3. The students are active participants in the class discussions.
   学生们是课堂讨论的积极参与者。