Mitragynine
帽柱碱
🗣️ 情景例句
No, it's an original. My father's friend is a calligrapher, and I had him make it for you.
没错，这可是真迹。我父亲的朋友是书法家，专门帮你写的。
So I've heard.
我听说是这样。
All characters in the book are imaginary.
书中所有的人物都是虚构的。