knowledgeable
adj. 有见识的，知识渊博的
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。
《牛津词典》
Any knowledgeable wine merchant would be able to advise you.
任何一位内行的葡萄酒商人都能为你提出建议。
《柯林斯英汉双解大词典》
