Tryptamine
n. [生化]色胺,β-吲哚基乙胺
🗣️ 情景例句
I think I want to study journalism
我想学新闻学
You have to study English, don't you?
你必须学英语，不是吗？
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。