英语词汇be optimistic怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	be optimistic
释义	be optimistic optimisticadj. 乐观的, 乐观主义的 pessimisticadj. 悲观的; 悲观主义的 overoptimismn. 过分的乐观,无根据的乐观 optimizationn. 最佳化,最优化
随便看	diphenylamino diphenylaminoazobenzene diphenylamino azo m benzene suulfonic acid diphenylaminoazombenzene suulfonic acid diphenylamino azo p benzene sulfonic acid diphenylaminoazopbenzene sulfonic acid diphenylaminochlorarsine diphenylaminochloroarsine diphenylaminocyanarsine diphenylaminocyanoarsine Diphenylan Diphenylan Sodium diphenyl anthranilic acid diphenyl antimony chloride diphenyl antimony cyanide diphenyl antimonyl 2 ethylhexate diphenyl antimonyl 2ethylhexate diphenylantimony trichloride diphenylantimony tricyanide diphenyl arsenious acid diphenyl arsinchloride diphenylarsine diphenyl arsine oxide diphenylarsine oxide diphenylarsine oxychloride

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