Pre
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
Thank you.
谢谢 。
I'll finish working at 5:30 and get home by 6 o'clock.
我希望在5:30完成工作并且在6点钟回家。
It is a good idea to start a part-time job so long as it does not affect your studies.
只要不影响学习，干兼职工作的想法是不错的。