单词：corundum refractory
刚玉耐火材料
单词：corundum refractory 相关文章
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
发表于:2018-12-30 / 阅读(73) / 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(67) / 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(96) / 评论(0)
双语有声阅读
双语有声阅读