名词
中文翻译：不明飞行物
同义词：
['unidentified aircraft', 'unidentified aerial phenomenon']
例句：
-
1. The UFO was spotted over the city last night.
昨晚，UFO在城市上空被目击。
-
2. The government has been trying to identify the source of the unidentified flying object.
政府一直在试图确定不明飞行物的来源。
-
3. Many people believe that unidentified flying objects are alien spacecraft.
许多人相信不明飞行物是外星飞船。