Vocabulary是既可以是可数名词也可以是不可数名词。作为可数名词时，表示“词汇量”或“有限的词汇”。作为不可数名词时，表示“广告用语”或“词汇表”。

vocabulary的用法

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的双语例句

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.