I was impressed by her young age and wide range of knowledge.

她年轻却有广博的知识，这给我留下了深刻的印象。

youdao

He has always been of the opinion that university students ought to have a wider range of knowledge.

他一向主张大学生的知识面要宽一些。

《新英汉大辞典》

Let me put it this way. All you need to do now is to lay a solid foundation in English, acquire a large range of knowledge, and grasp every chance to train your abilities.

这么说吧，我们现在所需要做的就是打下扎实的英语基础，扩大知识面，并且抓住每一次机会来锻炼自己的能力。

youdao

Team captain Richard Gilbert, a linguistics student, said the success was down to "the perfect broad range of knowledge across the team".

BBC: Manchester retains University Challenge crown

He is, at heart, a curmudgeon, but a delightful one, with a vast range of knowledge, a wicked sense of humor and a talent for storytelling and mimicry.

FORBES: Brilliant Curmudgeon: Maurice Sendak Dies At 83

It is commonly cited as one of the most important works of Armenian folklore, functioning as an encyclopaedia and repository of the entire range of knowledge about the heritage of Armenian people, their religion, mythology, philosophy, cosmology, customs and ethics.

UNESCO: Intangible Cultural Heritage