单词：acetone extraction
单词：acetone extraction 相关文章
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
VOA标准英语2015年(一月)
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
2016年Scientific American(八)月
express vt.表示 n.快车，快递 expression n.词句；表达；表情 extend vt.延长；扩大；致 extension n.延长部分；伸展 extensive a.广阔的；广泛的 extensively ad. 广泛地；
考研英语
Shedding Light on Extraction Industries Europe is a step closer toward curbing corruption in extraction industries in developing countries. A European Parliamentary committee has approved proposed legislation that would require European companies to
VOA标准英语2012年(九月)
5.常见手术名称 General Surgery 普外 appendectomy （appendicectomy） 阑尾切除术 cholecystectmy 胆囊切除术 cholecystostomy 胆囊造口术 drainage of the abscess 脓肿引流 enterostomy 肠造口术 exploratory laparotomy 开腹探查
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