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 see. May I leave her a message then?
噢,那我可以留话给她吗?
Do you speak English?
你说英语吗?
At that moment Lucy came into the library.
正在那时候,露茜走进图书馆。
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