Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
Hi-tech companies are making big bucks nowadays.
现在高科技公司是最赚钱的。
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
Don't be so sure.We might not go anywhere.
别那么肯定。我们可能哪里也去不成。