take part in.参与……，参加……例句：I took part in the debate.我参与了辩论。Anna takes part in many school activities.安娜参加许多学校活动。join in/ take part in / participate in参与某活动join in/ take part in / participate in a discussion / game/ celebration参加讨论/ 比赛/庆祝engage in sth参加，参与某活动engage in regular exercise定期进行锻炼take an oral test参加口语考试be/get involved in sth参加，参与, 卷入be/get involved in the project/an accident参与了这项工程/卷入了一起事故play a role发挥作用；扮演一个角色come into play开始活动；开始起作用play a part in参与；起作用；扮演角色例句1该国要在未来的发展中发挥作用的话，她就需要新的领导班子。The country needs new leadership if she is to play a role in future development.2要有效运转和发挥作用，这些机构就必须不牵连政治。These institutions have to be apolitical in order to function and to perform effectively.3这些药物阻止孕酮发挥作用。The drugs block the action of progesterone.
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