Acrylaldehyde
丙烯醛
🗣️ 情景例句
Yes.
有。
Please pick up those cups and saucers.
请拣起那些杯和调料。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。