单词：shrinkage porosity
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By Yi Suli Detroit, Michigan 23 May 2007 A detail of some artwork in the exhibit The world's fast-growing megalopolises often grab headlines, but another urban phenomenon is having just as much of an impact on the planet. Many cities around the world
发表于:2019-01-07 / 阅读(108) / 评论(0)
2007年VOA标准英语（五月）
2007年VOA标准英语（五月）
He forecasts the economy will shrink by 3.5% this year, and to put it into context that is a big downward revision from his prediction in November of a shrinkage of 1.25%. But he did say the economy will start to recover by the end of this year. And
发表于:2019-02-06 / 阅读(62) / 评论(0)
英伦广角
英伦广角
Science and technology 科学技术 Prospecting for oil 石油勘探 Grains of truth 千虑一得之法 Putting rocks in medical scanners may help the search for oil and gas 采用医学扫描仪对岩石样本扫描，可帮助寻找石油和天然气
发表于:2019-02-16 / 阅读(80) / 评论(0)
经济学人科技系列
经济学人科技系列