departure/dIˋpɑrtʃɚ; dIˈpɑːtʃə/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。+for her departure for Japan 她启程去日本see box at见 AIRPORT 方框2 [C] a change from what is usual or expected 背离﹐违背: +from a significant departure from previous methods 与以前的方法明显不同