Cationite
阳离子交换剂
🗣️ 情景例句
I'm not full yet.
我还没吃饱呢！
He's a composer of folk ballads.I like his music a lot.
他是民谣歌曲作曲家，我很喜欢他的音乐。
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，