Polyion
聚离子, 高分子量离子
🔁 扩展释义
【化】 聚离子
🗣️ 情景例句
for a long time,
很久了，
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
A few cars,however, completed the race.
然而还是有几辆汽车跑完了全程。