Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
Would you tell me some more details?
你能讲得详细点吗？
None but the wearer knows where the shoe pinches.
只有那个穿鞋人，才知哪里鞋轧脚。
I'm calling to see what happened to our last order.
我打电话来是想知道上次订的货怎么样啦？