active ion

例句：

1. 1. The team is active in promoting environmental protection.
   该团队积极倡导环境保护。
2. 2. She is an active member of the community.
   她是一个积极参与社区活动的居民。
3. 3.The new policy will make the company more active in responding to market changes.
   新政策将使公司更积极地应对市场变化。