Pyrazine
吡嗪, 对二氮杂苯, 胡椒嗪
🗣️ 情景例句
Sure I could. It's my turn to treat.
我当然可以这样。轮到我请客了。
I wasn't serious, I meant it as a joke.
我并非有意，我只是开个玩笑而已。
He's over there. He's cleaning the car.
他在那边，在洗车。