单词：sillimanite refractory
单词：sillimanite refractory 相关文章
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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
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
双语有声阅读
U.S. Ambassador to Iraq Douglas Silliman recently joined the Deputy Special Representative of the Secretary General and UN Development Program, or UNDP, Resident Representative Lise Grande for a visit to several sites in the Ninewa Plains of Iraq. Th
VOA标准英语2018年(三月)
By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med
VOA常速英语2007年（十二月）
ALISON STEWART, PBS NEWSHOUR WEEKEND ANCHOR: The U.S. ambassador to Iraq is Douglas Silliman, a career foreign service officer who has worked on and off in Iraq since 2011, has previously served as U.S. ambassador to Kuwait, and has held other posts
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