人们常常从语言是一个规则系统的观点出发,对Krashen的习得与学习假说,批评的多,赞成的少,认为它的假说将会导致外语学习者的无能为力。本文从语言知识的双重性角度,说明Krashen的习得与学习假说主要涉及语法(句法),学习与习得的区分与他的无接口论并不适用于词汇习得。并指出词汇为有意识的学习和无意识的习得之间提供了一个很重要的纽带。 From the perspective of language as a system of rules, people often criticize Krashen’s hypothesis of learning and learning, criticize it more and approve less, believing that its hypothesis will lead to the helplessness of foreign language learners. From the dual perspective of language knowledge, this article shows that Krashen’s acquisition and learning hypothesis mainly involves grammar (syntax). The distinction between learning and learning and his non-interface theory do not apply to vocabulary acquisition. And pointed out that vocabulary provides an important link between conscious learning and unconscious learning.