Hfo
abbr. heavy fuel oil 重（燃）油; high-frequency oscillator 高频振荡器
🗣️ 情景例句
That's quite true, but on the other hand, we have to think of our priorities.
那很有道理，但我们还必须分清轻重缓急。
All one's geese are swans.
自吹自擂。
He was known to us all as Dickie and his eccentricity had become legendary long before he died.
大家都管他叫迪基。早在他去世前很久，他的古怪行为就成了传奇故事了。