Pre-requisite
n. 首要事, 必要事\\na. 首要的, 必须的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
In friendship, always. Alexandra.
友情永不渝。Alexandra。"
A penny saved is a penny gained.
省一文是一文。
Chaplin and his friend are caught on the edge of a mountain in a snow storm in a small wooden house.
卓别林和他的朋友被一场暴风雪困在山边的一间小木房里。