de·par·ture/dɪ`pɑrtʃə; dɪˈpɑːtʃə/ n 1 [C,U] when a person, plane, train etc leaves a place 离开，启程: Check in at the airport an hour before departure. 飞机起飞前一小时在机场办理登机手续。 2 [C] formal a change from what is usual or expected 【正式】 背离〔常规等〕，违背，变化: a departure from her normal routine 违背了她的惯例