遗传同化；获得性（经天择过程）遗传的固定

纯正英语一分钟-genetic engineering

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-26 / 阅读(61) / 评论(0)

纯正英语一分钟

SCIENCE IN THE NEWS - New Genetic Map Called a Powerful Tool

SCIENCE IN THE NEWS - New Genetic Map Called a Powerful Tool for Medical Science By Jerilyn Watson and Caty Weaver Broadcast: Tuesday, November 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS

发表于:2019-01-02 / 阅读(57) / 评论(0)

科技之光

SCIENCE IN THE NEWS - Genetic Map of Chimps May Show What Ma

SCIENCE IN THE NEWS - Genetic Map of Chimps May Show What Makes Us Human By George Grow, Cynthia Kirk and Jerilyn Watson Broadcast: Tuesday, September 20, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN TH

发表于:2019-01-02 / 阅读(52) / 评论(0)

科技之光

SSS 2008-02-01

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

发表于:2019-01-08 / 阅读(46) / 评论(0)

Scientific American(二)月

VOA慢速英语-SCIENCE IN THE NEWS - A Genetic Map for One of the W

Also: A study shows England's Stonehenge was used as a burial ground for 500 years. Transcript of radio broadcast: 16 June 2008 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: A platypus And I'm Barbara Kle

发表于:2019-01-11 / 阅读(72) / 评论(0)

VOA慢速英语2008年（六）月

学个词Learn a Word 第1225期 genetic

今天我们要学的词是 genetic, genetic is spelled g-e-n-e-t-i-c; genetic. Genetic 基因的。最新研究发现，人体对咖啡因的需要跟基因有关。The researchers compared the genetic makeup and caffeine consumption habits of more

发表于:2019-02-25 / 阅读(55) / 评论(0)

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学英语单词

abduce

active homing guidance

Admiro

amnionic, amniotic

amplitude of tide

anisogametangiogamous