n. 粪卟啉原
[网络] 辅前卟啉原；粪紫质原；液混合振荡使所有粪紫质原

字源大挪移 Prefix - 表示方位的字首 11 pro

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英文魔法师字源大挪移

VOA慢速英语2011--A Social Network Aims to Speed Up Progre

Education Report - A Social Network Aims to Speed Up Progress in Science This is the VOA Special English Education Report. A few years ago, a university researcher was having problems with an experiment that involved medical imaging. His adviser and

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2011年VOA慢速英语(四)月

SSS 2010-04-14

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

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Scientific American(四)月

VOA慢速英语2012 THIS IS AMERICA - Second Chances for Prisoners, Horses and the Unemployed; Dogs Help Children Learn to Read

THIS IS AMERICA - Second Chances for Prisoners, Horses and the Unemployed; Dogs Help Children Learn to Read CAROLYN PRESUTTI: Welcome to THIS IS AMERICA in VOA Special English. Im Carloyn Presutti. STEVE EMBER: And Im Steve Ember. This week on our sh

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2012年VOA慢速英语(八)月

2006年VOA标准英语-India, Pakistan Renew Commitment to Peace Proce

By Anjana Pasricha New Delhi 01 August 2006 South Asian rivals India and Pakistan have expressed their commitment to a peace process that New Delhi had put on hold following last month's serial bombings in its financial capital Mumbai. This is the f

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2006年VOA标准英语（八月）

2006年VOA标准英语-Kenny Rogers Releases Water and Bridges

By Mary Morningstar Washington 01 April 2006 Kenny Rogers Legendary singer Kenny Rogers has recorded more than 60 albums that have sold over 100 million copies worldwide. He made his first appearance

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2006年VOA标准英语（四月）

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