Hfo
abbr. heavy fuel oil 重（燃）油; high-frequency oscillator 高频振荡器
🗣️ 情景例句
The birthday dinner was held at a five-star restaurant.
生日宴会在一个五星级的宾馆里举办。
A great talker is a great liar.
最会饶舌的人也是最会说谎的人。
I am told that you dance wonderfully well.
我听说你的舞跳得特棒。