单词：melamine formaldehyde precondensate
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757 、 玻璃纤维席 glassfibremats 758 、 界面；分界面；接口 interface 759 、 相差 phasedifference 760 、 相对密度 relativedensity 761 、 砂布 emerycloth 762 、 砂磨 sandin
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It is the eye-popping brand that boasts the worlds most glamorous bras, but Parma resident Roberta Ritter says her Victoria's Secret, Angel Secret Embrace and Very Sexy Extreme Push-Up bras, made her feel anything but glamorous. She says shortly afte
万花筒2008年
Chinese authorities are suggesting the environmental impact from the sinking of an Iranian oil tanker off China's east coast this week is likely to be minimal, despite the massive blaze which engulfed the Sanchi for over a week before it went down. T
2018CRI中国国际广播电台
By Jerilyn Watson Broadcast: October 30, 2003 This is Steve Ember with the VOA Special English Education Report. Many people remember the day in school when they had to 1)cut up a dead frog. Students
VOA2003（下）-教育与新闻
1. The AP has obtained this video showing yesterday's underground steam pipe explosion as it happened. The blast in midtown Manhattan killed one person and sent debris and dust flying. 2. A federal judge is dismissing Valerie Plame's lawsuit against
美联社新闻一分钟2007
AILSA CHANG, HOST: We're going to take you back now to the late 1800s, when eating food in the U.S. meant taking a calculated risk. The country was growing. People were moving into cities. And industrialization gave food producers new, sometimes dang
2018年NPR美国国家公共电台10月