word 普通用词，指语言的最小单位的单词、字，也可指话、整句话或一段话。
vocabulary 集合名词，指词汇、语汇或词汇量。
language 普通用词，指国家、民族或种族内部使用，已经系统化的语言。
term 指有特定意义的词，词语或术语。
lexicon 指某种语言、某人或某一知识领域的全部词汇。
参考例句
1. The third question is about vocabulary. 第三个问题是关于词汇。
2. One is often judged by their vocabulary. 一个是常常判断他们的词汇。
3. The vocation advocate found the word vocal and reciprocal not in the vocabulary. 职业倡导者发现“嗓音的”和“交互的”两词不在词汇表中。
英英解释
n.
1. a listing of the words used in some enterprise
2. a language user's knowledge of words
3. the system of techniques or symbols serving as a means of expression (as in arts or crafts)
