Lfo
abbr. light fuel oil 轻燃料油，易挥发油; low-frequency oscillator 低频振荡器
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
When it started raining, I was playing outside.
当雨开始下的时候，我在外面玩。
No. Tomorrow afternoon.I'll miss him.
不，明天下午。我会想念他的。