Pre-opg
[经] 开盘前
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
[医] 氧基聚明胶
🗣️ 情景例句
Will you see him again?
你会再见他吗？
There used to be a grocery store on the corner.
过去在角落上有一个杂货店。
People have been talking of it a lot recently.
近来人们对这事谈得很多。