Pyrazine
吡嗪, 对二氮杂苯, 胡椒嗪
🗣️ 情景例句
My doctor says I could live to be 100.
我的医生说我能活到100岁。
He that sups with the devil must have a long spoon.
与恶人交往，须特别提防。
It's very kind of you to help me.
你帮助我真是太好了。