OBJECTIVE: To prepare chloramphenicol eye was prepared with carbomer- 940 as base, and the content of proach.

目的：制备氯霉素凝胶滴眼剂并建立其含量测定方法。方法：以卡波姆-940为基质制备凝胶；

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The key principle of lexical a proach is that "language consists of grammaticalized lexis, not lexicalized grammar. " English vocabulary teaching should be based on lexical approach.

词块理论认为“语言是由语法化的词汇，而非词汇化的语法构成的”。

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