( ) dictionaries concentrate on a particular area of language or knowledge, treating such diverse topics as etymology, synonyms, idioms, etc.
【正确答案】：SPECIALIZED
【题目解析】：什么词典专注于语言或知识的某个特定领域，探讨诸如语言学中的词源、同义词、习语等？ Specialized dictionaries concentrate on a particular area of language or knowledge, treating such diverse topics as etymology, synonyms, idioms, etc. 答案为Specialized。
