Ifo
abbr. 已识别的飞行物（identified flying object）
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
What's so funny?
什么事那么好笑？
Which part of England do you come from?
你从英国的什么地方来？