incident n.事件,事故
faculty n.官能,能力,院系,教职工
undergraduate n,在校本科生
combine v.结合
undertake v.着手做,从事,承担,承诺,保证,答应
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incident n.事件,事故
faculty n.官能,能力,院系,教职工
undergraduate n,在校本科生
combine v.结合
undertake v.着手做,从事,承担,承诺,保证,答应