单词：acetone glycerol
[化] 丙酮甘油; 亚异丙基甘油
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Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood
发表于:2018-12-16 / 阅读(235) / 评论(0)
VOA标准英语2015年(一月)
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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
发表于:2018-12-24 / 阅读(324) / 评论(0)
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