positive ion正离子: possitive ion; cation阳离子: cation; basic ion; kation; k ...阳离子,正离子: kation交换性阳离子;交换性正离子: exchangeable cation; exchangeablecation正离子聚合,阳离子聚合: cationic polymerization下载手机词典可随时随地查词查翻译