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
But next time, please ask me in advance to make a speech.
不过下一次请事先通知我一声要做演讲喔。
Tis a good horse that never stumbles.
好马不失蹄。
Hi! I'm sorry I was out when you rang.
你好！我很抱歉，你打电话时我出去了。