Heaf
abbr. heavy-end aviation fuel 重尾航空燃料，航空重油
🗣️ 情景例句
Can I buy you a drink?
我能为你买杯酒吗？
A word spoken is an arrow let fly.
一言既出，驷马难追。
A Frenchman, for instance, might find it hard to laugh at a Russian joke.
譬如，法国人听完一则俄国笑话可能很难发笑。