Acetyltryptophan
乙酰氨酸
🗣️ 情景例句
I'm sorry to inform you that your application for ball has been refused.
很遗憾通知你， 你的保释申请书已经被驳回了。
When the cat's away,the mice will play.
猫儿不在家，老鼠就玩耍；猫儿不在耗子闹。
What is the name of the machine?
机器的名字叫什么呢？