可以组成单词cation，意思是：n.正离子阳离子。
例句：eve that one must have a cation for teaching.
我相信一个人必须有教书的天分。
2、Application of Mixed-bed with Cation Layer in Shanxi province
阳层混床在我省的应用
3、Analysis and treatment of the flux shortage of cation exchange reactor
阳离子交换器出力不足的分析及处理
