铁磁化的

Storing Drinking Water

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(619) / 评论(0)

VOA2003（下）-发展与科学

DEVELOPMENT REPORT - Storing Drinking Water

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(291) / 评论(0)

农业与发展

VOA标准英语2010年-Iron-Regulating Protein Could Help Bat

Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo

发表于:2019-01-13 / 阅读(286) / 评论(0)

VOA标准英语2010年(八)月

VOA双语新闻：运铁素蛋白质对肿瘤细胞的影响

发表于:2019-01-19 / 阅读(144) / 评论(0)

VOA双语新闻 2010年8月

【英语时差8,16】南北两极-下

By calculating how old the rocks are where we find these ancient compasses, we can figure out how long ago the magnetized parts were locked in. That tells us which direction was magnetic north tens of thousands of years ago. Surprisingly, its not alw

发表于:2019-02-23 / 阅读(159) / 评论(0)

英语时差8，16

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学英语单词

abstorted

analog computer component

angle of the V-groove

anguissola

audible frequency track circuit