S-aminoethylcysteine
[化] S-氨乙基半胱氨酸
🗣️ 情景例句
I had a great interview
我参加了一次很精彩的面谈
I asked him to paint it for me, but he wouldn't
我请他帮我油漆，但是他不肯。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。