active amyl methyl ketone

例句：

1. 1. The team is active in promoting environmental protection.
   该团队积极推广环境保护。
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 is designed to be active and effective.
   新政策旨在有效且具有活力。