名词
中文翻译：参与
同义词：
['contribution', 'participation in', 'contribution to']
例句：
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1.The student participated actively in the debate competition.
学生积极参与辩论比赛。
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2. He is a key player in the team and participates in all training sessions.
他是团队的关键成员，参加所有训练。
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3. Participation in the event was mandatory for all participants.
所有参与者都必须参加活动。