Acrylaldehyde
丙烯醛
🗣️ 情景例句
Dear Mr. Lee.
亲爱的李先生。
Here are you Chinese Yuan for $ 1000. And your passport and exchange memo.
这是您1000美元所换的人民币。给您护照和兑换清单。
We seem to be three packages short.
好像少了三大箱。