Malonamide
丙二酰胺
🗣️ 情景例句
Room service. May I help you?
客房服务部，需要我为您效劳吗？
Walk groundly; talk profoundly; drink roundly; sleep soundly.
行路踏实，言谈深刻，饮酒豪爽，睡眠酣畅。
The days get longer and the nights get shorter.
白天变长了，黑夜变短了。