Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
Then you're not upset
那么 ，你没有感到不快
I have been told you have just changed the interest rate on savings accounts. Is that true?
听说你们储蓄率刚调过，是真的吗？
There was some confusion about our last shipment.
上一批货把我们搞得迷迷糊糊。