active channel

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. The new manager has a lot of energy and is very active in his work.
   新任经理精力充沛，工作非常积极。
3. 3.The children are active in their studies and enjoy playing outside.
   孩子们在学习上很活跃，喜欢在外面玩耍。