动物词汇作为构成习语的一个重要成分，具有独特的作用和丰富的表现力，是语言词汇不可分割的一个重要组成部分。

As an important element in forming idioms, animal words play a distinctive role with rich expressiveness. These words having long vitality are considered as an indispensable part of language.

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词汇教学与学习是贯穿整个英语教学的一个十分重要的组成部分，大学英语课本词汇表是大学英语课本一个不可分割的部分。

Vocabulary teaching and study is a very important component of English teaching. The college English textbook glossary makes up an inseparable element of college English textbooks.

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认为，词汇与句法之间并不存在着范畴上的差异，相反它们之间有着不可分割的联系。

Lewis (1993) thinks that there isn't difference in category between lexicon and syntax; on the contrary, there is some relationship between them.

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