active master item

例句：

1. 1. The team is active in promoting environmental conservation.
   该团队积极推广环境保护。
2. 2. She is an active member of the community.
   她是社区的积极成员。
3. 3.The new manager has made a lot of changes to make the company more active.
   新任经理已经做出许多改变，使公司更加活跃。