UFO
🇬🇧/ˌjuː ef ˈəʊ; ˈjuːfəʊ/ 🇺🇸/ˌjuː ef ˈoʊ/📚 12634A UFO is an object seen in the sky or landing on earth which cannot be identified and which is often believed to be from another planet. 不明飞行物; 飞碟
noun [专属名词]abbr. 不明飞行物（Unidentified Flying Object）
I don't believe these reports of UFO sightings.
我不相信这些有关目击不明飞行物的传言。
- UFO 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 43 Are there strangers in space?
单词造句:
- 网友用“UFO”造句精选
- Have you ever heard of UFO? 你有没有听说过不明飞行物？