Melatonin
[化] 褪黑激素; N-乙酰-5-甲氧基色胺
🗣️ 情景例句
I'm taking too much of your time.
我耽误了你很多时间。
When love puts in, friendship is gone.
爱情入，友谊出。
Excuse me. How can I get to Bear Country?
对不起，到熊国怎么走？