Pre-group
前群
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
group
[ɡrup]
n. 组，团体;群，批;（雕塑等的）群像;（英美的）空军大队;
vt.& vi. 使成群，集合;
vt. 分类，归类;
🗣️ 情景例句
Nope.
没有。
An old physician,and a young lawyer.
医生老的好，律师年轻的好。
He had hardly had time to settle down when he sold the house and left the country.
还没等安顿下来就卖掉了房子，离开了这个国家。