n.詞匯；詞匯量

You can look up this word in the vocabulary. 你可以在詞匯表里查這個詞。

He has an extensive vocabulary. 他詞匯很豐富。

That if your vocabulary is limited your chances of success are limited. 如果你的詞匯量不大，你成功的機會也就不多。

She has a large English vocabulary at command. 她能靈活運用掌握的大量英語辭匯。