Oppe
abbr. Office of Program Planning and Evaluation 程序设计与评估局; Operational Propulsion Plant Examination 作战推进设备检验（美国海军）
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
These two students drank a lot of coffee.
这两个学生喝了许多咖啡。
What's your job?
你是做什么工作的？