Minorities composed about a third of the attendees at the conference.少数族裔约占到与会人员的三分之一。They arrived early at the theatre so as to preempt the best seats.他们早早来到剧院，以便捷足先登占到最好的座位。She arrived early enough to get her accustomed seat in the front row.她到得很早，占到了她常坐的前排座位。