既可以做可数名词也可做不可数名词，如：
1、a wide/limited vocabulary词汇量大/有限，就是可数名词。
2、The word has become part of advertising vocabulary. 这个单词已经成了广告用语。就是不可数名词。
vocabulary英语例句：
1. Love was a word he'd erased from his vocabulary since Susan's going.
自从苏珊离开后，他再也不提“爱情”这个词了。
2. His speech is immature, his vocabulary limited.
他说话很幼稚，使用的词汇有限。
3. His vocabulary was sound and his grammar excellent.
他的词汇丰富，语法也很精通。
4. Their vocabulary bristles fashionably with talk of federalism.
他们开口闭口都是联邦制度，满口时髦词汇。
5. There is a vocabulary at the back of our English book.
我们英语课本的后面附有词汇表.
6. The teacher tied in what he said with the vocabulary in the previous lesson.
老师把他所讲的同前一课中的词汇联系起来.
7. The basic vocabulary of a language is those words that must be learnt.
一种语言的基本词汇即必须掌握的词语.
8. This book is intended to enlarge vocabulary.
这本书的目的是为了扩大词汇量。
