Polyampholyte
聚两性电解质
🗣️ 情景例句
I can imagine what is going through your head.
我能想像你的头脑正在考虑什么事。
When did you get off work?
你什么时候下班？
Is that true? said Lucy. She was surprised. Is it a real king's hat?
“是真的吗？”露西问。她感到惊奇。“那真的是国王的帽子？”