Ketopyrrolidine
吡咯烷酮, α, γ-丁内酰胺
🗣️ 情景例句
It's only natural that if I care about Michelle
假如我关心 Michelle
Many wells, many buckets.
井多吊桶也多。
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？