Hfo
abbr. heavy fuel oil 重（燃）油; high-frequency oscillator 高频振荡器
🗣️ 情景例句
You know I do.
你知道我是关心。
What about another dance?
再跳一曲好吗？
Debbie's father will set out with her in a small boat.
黛比的父亲将乘一条小船同她一道出发。