Acetylpyrazine
乙酰吡嗪
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
Answer me truthfully!
撒谎！回答我实话！
It is not so easy as you think.
这事没有你想象的那么简单。