Heaf
abbr. heavy-end aviation fuel 重尾航空燃料，航空重油
🗣️ 情景例句
I would like to mail this package.
我想把这包裹给寄了。
I meet the boy whose aunt is a model.
我遇到那个男孩的姑妈是模特。
Then the teacher says, Stop and put your hands in front of you now.
“现在停止，并把手放在面前。”