本文从“输入假说”和“输出假说”出发,对当代初中生如何在课堂上获得最有效的词汇习得进行了讨论研究,提出对以往做法的改善措施,给出了在实际教学过程中如何操作的具体途径,并从实证的角度证实了这些方法的有效性,以此说明“输入假说”和“输出假说”在词汇习得上的重大意义。 Starting from “Input Hypothesis” and “Output Hypothesis”, this paper discusses how contemporary junior middle school students can obtain the most effective vocabulary acquisition in the classroom and puts forward the improvement measures of past practice. The concrete ways of how to operate in the process of teaching and verify the validity of these methods from an empirical point of view, in order to explain the significance of “input hypothesis” and “output hypothesis” in the acquisition of vocabulary.