Pyrazinotropone
环庚并吡嗪酮
🗣️ 情景例句
I can't wake up in the morning without a cigarette or cup of coffee.
早上不抽根雪茄或喝杯咖啡我就醒不了。
I bought 3 apples.
我买了三个苹果。
Yes, Mom! I'll do it right away.
听到了，妈妈！我这就去。