Melatonin
[化] 褪黑激素; N-乙酰-5-甲氧基色胺
??? 情景例句
Nervous about the opening tonight?
對今晚開幕感到緊張嗎？
Our standardized packing has been approved by many foreign clients.
許多國外客戶已經認可了我們標準化的包裝。
Fine! Why don't you get your things ready?
好極了！干嗎還不把東西準備好？