英语单词词汇可以用英文表示为 "vocabulary"。

这个词来自拉丁文 "vocabulum",意思是 "词语" 或 "词汇"。它的原意是指 "谈话、说话或书写的内容",后来被用来指代某一语言中的所有单词和词组。

下面是一些英文例句及其中文翻译:

"Improving your vocabulary is an important part of learning a new language." (提高你的词汇量是学习一门新语言的重要部分。)

"Having a wide vocabulary can help you communicate more effectively in both spoken and written Engpsh." (拥有丰富的词汇量可以帮助你更有效地用英语进行口头和书面交流。)

"I always try to challenge myself by using new words in my writing to expand my vocabulary." (我总是尝试在写作中使用新单词来扩大我的词汇量。)