n.词汇；词汇量
You can look up this word in the vocabulary. 你可以在词汇表里查这个词。
He has an extensive vocabulary. 他词汇很丰富。
That if your vocabulary is limited your chances of success are limited. 如果你的词汇量不大，你成功的机会也就不多。
She has a large English vocabulary at command. 她能灵活运用掌握的大量英语辞汇。
