cation clay adsorption

例句：

1. 1. The chemistry of the reaction is complex.
   反应的化学性质复杂。
2. 2. Chemistry is the study of matter and energy.
   化学是研究物质和能量的学科。
3. 3. The new drug has a different chemistry from the old one.
   这种新药与旧药的化学性质不同。