Hydroxytryptamine
n. 含于血液中的复合胺
🗣️ 情景例句
Oh, yes. It's definitely worth reviewing.
噢 是的 。它着实值得评论。
When the belly is full, the bones would be at rest.
饱暖图安逸。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。