参

例句：

1. 1. She participated in the school's volunteer program last month.
   她上个月参加了学校的志愿者项目。
2. 2. The team will participate in the upcoming competition.
   团队将参加即将到来的比赛。
3. 3. We need to participate actively in the discussion.
   我们需要积极参与讨论。