求翻译：2．加入了校学生会体育部与外联部，组织了校运动会、机械杯篮球赛和《非常演讲》，并积极主动参加了校运动会，天津理工大学建校30周年大合唱活动及冬季扫雪活动等。是什么意思？

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2. has joined the school student association sports department and the external liaison department, has organized the school games, the mechanical cup basketball tournament and "Extreme Lecture", and positive attended the school games on own initiative, Tianjin University of Science and Technology h

2. Students joined the school physical education Division and the Outreach Division, organized a school sports meeting, mechanical Cup basketball tournament and the very speech, and actively participated in the school sports meeting, Tianjin University of technology school 30 anniversary of the chor