单词：transfer-quality ionization chamber
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Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma
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By Paula Wolfson New York 19 September 2006 President Bush addresses the 61st session of the UN General Assembly at UN headquarters, Tuesday, September 19, 2006 President Bush is urging U.N. members to support reformers and moderates in the Middle E
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By Mil Arcega Washington 09 January 2008 The world's largest business federation says the United States faces very real problems from failing schools, rising healthcare costs and higher energy prices. But the U.S. Chamber of Commerce says it is not t
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The goods are available in different qualities. 此货有多种不同的质量可供。 Nothing wrong will happen, so long as the quality of your article is good. 只要商品质量可靠，就不会发
实用英语
Business relationship 建立贸易关系 I had a look yesterday. 我昨天看了一下。 I found some exhibits are fine in quality and beautiful in design. 发现一些展品质量不错，设计也漂亮。 The exhibition has successfully displayed
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