单词：vacuum extraction still
单词：vacuum extraction still 相关文章
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
原版英语小短文
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)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
英文语法词汇