"Primary synonyms antonyms · Thesaurus · Encyclopedia" collection of more than 5,500 words, with synonyms, synonyms nearly more than 10,000 articles, antonyms over 7000 pieces, and fully meet the language learning needs of students. "Primary synonyms antonyms · Thesaurus · Encyclopedia" has the solution word, group of words, collocation, sentences, synonyms, synonyms, antonyms, and Interpretation, etc. 8 above functions.
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