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
I think it looks terrific on you.
我觉得你穿上它好极了。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
Charlie chaplin, who died in 1977, is considered one of the greatest and funniest actors in the history of the cinema.
查理·卓别林于1977年去世，他被认为是电影史上最伟大、最滑稽的演员之一。