component 指一个整体的组成部分。
constituent 常可与component换用，指某一整体不可少的部分或成分。
element 指一个整体必不可少或固有的部分，强调一个复杂整体中最基本、最简单的元件、元素或成分等。
ingredient 普通用词，含义笼统。既可指混在一起而本身没有变化的物质，如配料，又可指与别的物质混在一起，发生了变化的成分。
参考例句
1. Dancer the work constituent music which performs regarding oneself certainly has a deeper feeling and the understanding. 舞蹈家对于自己表演的作品的组成部分的音乐当然有更深的感受和理解。
2. As the city landscape important constituent, the inhabited landscape is material and the energy expense system, simultaneously also is the waste main output area. 作为城市景观的重要组成部分，居住地景观是物质和能量消费系统，同时也是废物主要输出地区。
3. Idiom is an important constituent in the language and culture of a society which reflects the history, geography, social thought, regional belief, and living patterns of a nationality. 成语是一个社会的语言和文化的重要组成部分，它能反映出一个民族的历史、地理、社会观点、宗教信仰以及生活方式等。
英英解释
n.
1. an artifact that is one of the individual parts of which a composite entity is made up; especially a
2. a member of a constituency; a citizen who is represented in a government by officials for whom he or
3. (grammar) a word or phrase or clause forming part of a larger grammatical construction
4. an abstract part of something adj.
1. constitutional in the structure of something (especially your physical makeup)
