[电] 逆向作用调整器

VOA标准英语2010年-Cell Biologist Elaine Fuchs: Revolutio

Faiza Elmasry | Washington, DC 29 March 2010 Cell biologist Elaine Fuchs is known for revolutionizing the study of skin and for her support of women in science. Children, Elaine Fuchs says, have a natural fascination with science. She remembers that

发表于:2018-12-16 / 阅读(31) / 评论(0)

VOA标准英语2010年(三月)

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(54) / 评论(0)

科技之光

VOA标准英语2012--Stem Cell Therapy Effective Against HIV Virus in Mice

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

发表于:2019-01-13 / 阅读(34) / 评论(0)

VOA标准英语2012年(五月)

VOA标准英语--Sickle Cell Disease Cases Are Increasing

Sickle Cell Disease Cases Are Increasing Basic health interventions may significantly reduce deaths among young children with sickle cell anemia. The illness causes the body to produce sickle or disc shaped red blood cells making it difficult for the

发表于:2019-01-14 / 阅读(56) / 评论(0)

VOA标准英语2013年(七月)

VOA常速英语2007年-Stem Cell Research Dominates 2007 Medical Field

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(74) / 评论(0)

VOA常速英语2007年（十二月）

CCTV9英语新闻：Volunteers take action in Dalian clean-up efforts

A group of volunteers from Dalian, a coastal city in northeast China, are speaking up about awakening environmental awareness in the public. Dalian is famous for its cluster of beautiful beaches. But nowadays, trash chokes the reefs, seawater and sho

发表于:2019-02-25 / 阅读(59) / 评论(0)

cctv9英语新闻2016年

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学英语单词

-plex

3-chloro-2-butyl acetate

alionematichthys minyomma

ames instrument

archaean (archaeozoic) era

atigi

band number

barly

be tolerant toward sb.

beckon

bedswervers