Papp
[医][=para-aminopropiophenone]对氨基苯丙酮
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
May I ask you where you are from?
我能问你从哪里来吗？
'I am sorry,' he said.'I do not speak English.'
”很抱歉，“他说，”我不会讲英语。”