learned/'lɜːnɪd $ 'lɜːr-/

a. having a lot of knowledge because you have studied a lot

a. 知识渊博的；博学的：a learned professor 知识渊博的教授

构词learn + -ed

用法此词并非动词learn的过去分词，发音与过去分词learned /'lɜːnd $ 'lɜːrnd/不同。