The basic transformation of meaning occurs at the level of deep structures of the two languages with clauses as the operational unit,while the generation of the surface structure in the target language is determined not only by the grammar and the comparative rhetoric features of the target language,but also by the semantic strctures of the sentences at the surface structure level in the source l.

So many students are puzzled with the correct comparison between the relations of the particle consistency in electrolytic solution that correctly grasping it can help understand the knowledge of hydrolysis and electrolysis in order to improve students’ comprehensive analytic capability.