Pre-payment
预付费
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
How do you keep in shape?
你怎么保持身材？
He preaches best who lives best.
言教不如身教。
Justice had been done even before the man was handed over to the police.
甚至在那人还没被送交给警察之前，正义就已得到了伸张。