Pyroracemamide
丙酮酰胺
🗣️ 情景例句
there isn't any work for a retired person my age.
没有我这种年纪的退休老人的工作。
Thank you.
谢谢你。
He was so surprised at being discovered that he did not even try to run away.
他由于被人发现而感到非常吃惊，甚至都没有企图逃跑。