Pre-payment
预付费
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
to be with people--people his own age.
和别人交往像他那般年纪的人。
I remember the girl whose father goes there every summer.
我记得那个女孩的父亲每年夏天都去那里。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。