单词：olivine refractory
橄榄石质耐火材料
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发表于:2018-12-30 / 阅读(151) / 评论(0)
单词解析速记
单词解析速记
Down with Depressio 1. Everyone has a bad day once in a while. Problems at work, arguments with family members, or even changes in the weather can all bring us down and leave us feeling unhappy for a
发表于:2018-12-31 / 阅读(164) / 评论(0)
有声英文阅读
有声英文阅读
Down with Depressio 性命忧 关 1. Everyone has a bad day once in a while. Problems at work, arguments with family members, or even changes in the weather can all bring us down and leave us feeling unhappy for a day or two. But if this mood lasts f
发表于:2019-01-02 / 阅读(172) / 评论(0)
双语有声阅读
双语有声阅读