Pyrazine
吡嗪, 对二氮杂苯, 胡椒嗪
🗣️ 情景例句
I'm glad I got to know you.
我很高兴能够认识你。
When is the most convenient time for us to meet?
我们什么时候见面最方便呢？
Frank begged him to do so and the dealer reluctantly prised it open.
经弗兰克恳求，古董商才勉强把货箱撬开了。