Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
Did you do anything special?
你们做了什么特别的事情吗？
She felt awkward.
她想到受到惩罚时的尴尬。
Don't worry! said Ah Fang.We're safe. Don't be afraid. Let's go for a walk.
“不用担心！”阿芳说，“我们很安全。别害怕，我们去散散步吧。”