de·ten·tion /dɪˈtenʃən/ n. 1. 阻止；滞留 a flood detention project 滞洪工程 2. 拘留，羁押，监禁；禁闭；(处罚学生的)课后留校 be placed (或 held, kept) in detention 在拘留 (或关晚学) 中 As many as 50,000 persons remain in detention. 多达5万人仍处于监禁之中。 a detention barracks 军人拘留所 a detention camp 拘留营 3. 扣留，扣押 [< L dētentiō a keeping back < dētinēre; 见 DETAIN]