Enteramine
血清素, 5-羟色胺
🗣️ 情景例句
It's natural.
这是很自然的。
Is there a funny show on television tonight?
今晚有精彩的电视节目吗？
Over the periods their saliva, a mild, digestive juice like our own, was converted into a poison that defies analysis even today.
蛇的唾液本来和我们人的消化液一样柔和，但经过漫长的时间，演变成了今天仍无法分析清楚的毒液。