know的形容词知识渊博的

knowledgeable adj. 知识渊博的，有知识的；有见识的；聪明的；

例句

The lecturers are very knowledgeable and I learn a lot from them.

讲师们知识非常渊博，我从他们身上学到了很多。

She is very knowledgeable about plants.

她对植物很在行。

If you don\'t know much about cars, take a knowledgeable friend along.

如果你不太了解汽车，带一个懂行的朋友一起去。

Any knowledgeable wine merchant would be able to advise you.

任何一个懂行的葡萄酒商人都可以给你提出建议。