Serotonin
n. 血清素\\n[化] 5-羟色胺
🗣️ 情景例句
We just got here.
我们才刚刚到这儿。
You roll my log and I'll roll yours.
互相吹嘘。
I've travelled many miles and I'm very glad I made the effort.
我远道而来，但是我很高兴没有白跑。