n. a military action in which besieged troops burst forth from their position
n. (military) an operational flight by a single aircraft (as in a military operation)
n. 出击, 突击( sortie的复数形式 ); 到陌生或环境不亲切的地方的短暂旅行
v. 出击, 突击( sortie的第三人称单数 ); 到陌生或环境不亲切的地方的短暂旅行