Picolinamide
吡啶酰胺, 氮苯酰胺
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
Why are you so busy?
你为什么这样忙碌？
The stars are too far away.
星星太遥远了。