Ifo
abbr. 已识别的飞行物（identified flying object）
🗣️ 情景例句
It was so nice meeting you, Mr. Stewart.
很高兴遇见你， Stewart先生。
Her husband felt ashamed of her behavior.
她丈夫为她的行为感到羞愧。
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，