Cistine
氨基酸
🗣️ 情景例句
Anything special you want to talk about?
有什么特殊的事要谈吗？
I am very happy that you have come all the way from the United States to visit our company.
您不远千里从美国来我公司访问，我们感到非常高兴。
It's Zhong Qiu Jie.
明天是中秋节。