Polyion
聚离子, 高分子量离子
🔁 扩展释义
【化】 聚离子
🗣️ 情景例句
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
How come?
怎么会这样？
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。