Ppa
abbr. 苯丙醇胺（phenyl-propanolamine）；并行处理自动机（Parallel Processing Automata）；实验性反应堆（Preliminary Pile Assembly）
🗣️ 情景例句
Neither can I.
我也一样。
Chuck went to a restaurant that serves very tasty salads.
贾克去一家有美味色拉的餐厅用餐。
Indeed, we lack practice and experience nowadays in dealing with primitive conditions.
确实，我们今天缺乏对付原始环境的实践和经验。