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	turbine steam rate turbine steam seal system turbine steam valve turbine steel turbine stirrer turbine stop valve turbine stop valve closure turbine stress analyzer turbine stress evaluator sensor turbine stress supervisory system turbine stub shaft turbine suction tube turbine supervisory instrument turbine supervisory system turbine surgical instruments turbine system turbine tail race tunnel turbine tanker turbine taper open well set turbine technology turbine thermal performance turbine thermodynamic efficiency turbine torque turbine transport turbine trip

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