名词
中文翻译：未经授权的飞行
同义词：
['illegally-operated flight', 'unlicensed flight']
例句：
-
1. Theairline was fined for operating an unauthorized flight.
航空公司因运营未经授权的飞行而被罚款。
-
2. The pilot was caught by the authorities after flying an unauthorized flight.
飞行员在飞行未经授权的航班后被当局抓获。
-
3. The government has ordered all flights to be operated legally.
政府已下令所有航班必须合法运营。