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
How many courses are you taking this semester?
这学期你选了多少课？
I'm not in the mood.
我没心情。
Tired of sleeping on the floor, a young man in Teheran saved up for years to buy a real bed.
德黑兰的一个人年轻人由于对睡地板感到厌倦，于是积蓄多年买了一张真正的床。