Melatonin
[化] 褪黑激素; N-乙酰-5-甲氧基色胺
🗣️ 情景例句
It's not an important game, anyway.
话说回来， 这场比赛不重要。
From all listed prices we allow a discount of 10 percent on orders received on or before 31st May.
5月31日或此前收到的订单，我们都按价目单上的价格给10%的折扣。
A long-lost brother, who was presumed dead, was really alive all the time and wickedly plotting to bring about the hero's downfall.And so on.
主人公一位长期失散的兄弟，大家都以为死了，实际上一直活着，并且正在策划暗算主人公；如此等等，