S-aminoethylcysteine
[化] S-氨乙基半胱氨酸
🗣️ 情景例句
Yes, I think so.
对，我想是的。
The student felt very shy as he stood in front of the class.
那个学生站在大家的跟前时，感到非常难为情。
Let me see your driving licence.
让我看一看你的驾驶执照。