Ifo
abbr. 已识别的飞行物（identified flying object）
🗣️ 情景例句
It all sounds so easy.
一切听起来竟是如此简单。
If the beard were all, the goat might preach.
如果有了需就什么都行，那么山羊也可以说教了。
His bike hit the bag of rice and he fell off.
他的车撞到大米上，他摔了下来。