Picolinamide
吡啶酰胺, 氮苯酰胺
🗣️ 情景例句
Help yourself to celery and carrots and other vegetables.
请你们自己盛芹菜， 胡萝卜 和其他蔬菜。
A ready way to lose friend is to lend him money.
失友都因借钱起。
Would you care to see it?
你要不要看？