during

during
preposition
  1. throughout the course or duration of (a period of time)
    在…期间
    the restaurant is open during the day.
    那家餐厅白天营业。
    ■used to indicate constant development throughout a period
    在…的发展期间
    the period during which he grew to adulthood.
    他长大成人的那段时期。
    ■at a particular point in the course of
    在…期间的某一时候
    the stabbing took place during a row at a party.
    这起持刀刺人事件发生在聚会的一场争吵期间。
语源
  1. late Middle English: present participle of the obsolete verb dure 'last, endure, extend', via Old French from Latin durare 'to last' (see duration)
英语宝典
考试词汇表