Propanal
丙醛
🗣️ 情景例句
Could you tell me what's in this?
您能告诉我这里面是什么吗？
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
The tiny village of Frinley is said to possess a 'cursed tree'.
据说弗林利这个小村里有一棵“该诅咒的树”。