英语词汇dioxygen difluoride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	dioxygen difluoride
释义	dioxygen difluoride counterproductiveadj. 反生产的,使达不到预期目标的
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