departure
/dɪˈpɑːtʃə(r)/noun
mass noun
1- the action of leaving, typically to start a journey出发, 启程; 离开：
the day of departure
出发日
count noun she made a hasty departure.她匆匆离去。
1.1
- count noun a deviation from an accepted, prescribed, or traditional course of action or thought背离：
a departure from their usual style.
对其一贯风格的背离。
1.2
- Nautical the amount of a ship's change of longitude【航海】东西距, 横距。
词源
late Middle English: from Old French departeure, from the verb departir （see DEPART）.