Unicel
二亚硝基五亚甲基四胺(发泡剂)
🗣️ 情景例句
I would not have missed this get-together for the world!
世界上任何事情都阻止不了我来参加这次聚会！
Do you know when he will be back?
你知道他什么时候会回来？
No, we come from the USA.
不，我们是美国人。