He has been an active participant in the discussion.

他一直积极参与这次讨论。

As an active participant in various volunteer work, I have a lot of experience in serving others.

作为一个积极参与各种志愿活动的人，我在服务他人方面有很多经验。

She is an active participant in this activity.

她积极参与这项活动。

He is an active participant in social work.

他不想被束缚在社会工作上。

The architecture is an active participant in the place.

该架构是一个地方的积极参与者。