have specialized knowledge of a subject be expert in a special field of study have acquired a speciality from study
have specialized knowledge of a subject
學有所成用英文怎麼說
學有所教用英文怎麼說
學有所用用英文怎麼說
學有進境用英文怎麼說
學期用英文怎麼說
英語詞典收錄了最新的漢英詞典和英漢詞典,總共有200多萬個詞條,詞庫仍在不斷更新中。