Melatonin
[化] 褪黑激素; N-乙酰-5-甲氧基色胺
🗣️ 情景例句
I just love mashed potato.
我就是喜欢土豆泥。
Same difference!
半斤八两。
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。