英语词汇量是vocabulary。
例句：
1、孩子的词汇量通过阅读得到扩大。
A child's vocabulary expands through reading.
2、阅读会增加你的词汇量。
Reading will increase your vocabulary.
3、阅读能扩大词汇量。
Reading will enlarge your vocabulary.
4、我们阅读以便扩大词汇量。
We read to improve our vocabularies.
5、多数人口语的词汇量比书面语少。
Most people have a smaller vocabulary in speech than in writing.
添喜lucklily
