Melatonin
[化] 褪黑激素; N-乙酰-5-甲氧基色胺
🗣️ 情景例句
so I can study it.
以便我好好研究。
Where (or While) there is life there is hope.
留得青山在，不怕没柴烧。
I don't know if I should tell you. But I will. It was all because of your necklace, your beautiful diamond necklace.
我不知道该不该告诉你。不过，我想还是告诉你吧。那全都是因为你的那条项链，你那条漂亮的钻石项链呀！