Azodicarbonamide
[化] 偶氮二甲酰胺; 发泡剂AC
🗣️ 情景例句
and I can give you and Mrs. Stewart a month of classes free.
我让你和你太太免费上一个月的课。
How is the weather today?
今天天气如何？
Would you be kind enough to sign our visitors book?
请在来宾簿上签名好吗？