re·quire/rɪ`kwaɪr; rɪˈkwaɪə/ v [T] 1 to need something 需要〔某事物〕: Pets require a lot of care. 宠物需要许多照顾。 2formal to officially demand that someone does something 【正式】 要求〔某人做某事〕: require sb to do sth All passengers are required to show their tickets. 所有乘客都要出示车票。