音标：['baiәj,mæ^nifi'keiʃәn] ；

n. [生]生物放大(作用)(指有毒化学物质在食物链各环节中的毒性渐进)

魔术美文记英语4级词汇 The New Autobiobiography

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-11-30 / 阅读(384) / 评论(0)

24篇魔术美文串记4级词汇

2013年ESL之就医和人际交往 17 Fearing Bioterrorism

Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s

发表于:2018-12-03 / 阅读(156) / 评论(0)

2013年ESL之就医和人际交往

蒋健棠听说学英语 Chapter16:The wildlife biologist

发表于:2018-12-26 / 阅读(212) / 评论(0)

蒋健棠听说学英语

新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(114) / 评论(0)

新编大学英语阅读部分

ESL Podcast 930 – Fearing Bioterrorism

Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T

发表于:2019-01-01 / 阅读(121) / 评论(0)

地道美语播客

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

发表于:2019-01-02 / 阅读(202) / 评论(0)

科技之光

Biosolids

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(178) / 评论(0)

VOA2003（下）-农业与经济

VOA标准英语2008年-African Countries Move to Bio-Farming to Allevi

By Peter Heinlein Addis Ababa 15 May 2008 Growing enough food to alleviate shortages in African countries is not easy, but an agro-ecologist in Ethiopia thinks he has the answer: bio-farming. The technique uses animal waste products to produce energy

发表于:2019-01-13 / 阅读(128) / 评论(0)

VOA标准英语2008年（五月）

VOA标准英语2010年-Regrowing Worn Joints Using Patient St

Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

发表于:2019-01-13 / 阅读(171) / 评论(0)

VOA标准英语2010年(八)月

英语听力：自然百科 Rocky mountain bio lab wildflowers 温室效应

In the Rocky Mountains of Central Colorado, the forces of nature create a landscape of alpine lakes, high-altitude ponds teeming with life and mountain meadows bursting with wild flowers. It is amidst these beautiful wildflower fields that one scient

发表于:2019-01-22 / 阅读(196) / 评论(0)

自然百科2008年

VOA常速英语2008年-Virgin Atlantic Flies Jet Using Biofuel

By Paul Sisco Washington 28 February 2008 Air travel is growing rapidly around the world and the fuel jets burn is a major contributor of greenhouse gases. Virgin Atlantic Airlines President Richard Branson demonstrated this week that using biofuel t

发表于:2019-01-23 / 阅读(157) / 评论(0)

VOA常速英语2008年（二月）

新西兰英语 60 Biosecurity

Anyone who arrives in New Zealand by plane knows about Biosecurity NZ. Bio means living and security means safe. Biosecurity NZ is a government department. Their job is to make our country safe from unwanted living pests. These pests are plants, anim

发表于:2019-01-27 / 阅读(137) / 评论(0)

新西兰英语

AGRICULTURE REPORT - Biocontrols, Part 2

AGRICULTURE REPORT - Biocontrols, Part 2 By Mario Ritter Broadcast: Tuesday, April 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biocontrols are the way nature seeks ba

发表于:2019-01-30 / 阅读(147) / 评论(0)

农业与发展

VOA标准英语2008年-Kenya to Develop Bio-Fuel Industry

Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr

发表于:2019-02-06 / 阅读(161) / 评论(0)

VOA标准英语2008年（八月）

俄科学家研制出"不老药"

俄罗斯莫斯科的一位生物能量学教授近日宣布，他已研制出一种能够有效延缓衰老的不老药，并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂，能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(178) / 评论(0)

阅读空间

VOA标准英语2008年-Australia Boosts Bio-Security Defenses

Australia has opened a new National Center for Bio-Security to build its defenses against infectious diseases and biological weapons. Medical experts say it will help protect the country from threats such as SARS and bird flu as well as attacks by t

发表于:2019-02-06 / 阅读(106) / 评论(0)

VOA标准英语2008年（九月）

VOA标准英语2010年-Scientists Convert Feathers Into Biode

If you're a home gardener you may soon find that the pots you buy flowers and plants in are made from chicken feathers. Yes, tons of feathers that go to waste every year can now be transformed into plastics. Two Washington-area scientists are using f

发表于:2019-02-07 / 阅读(139) / 评论(0)

VOA标准英语2010年(五)月

Newly Discovered Biomarker Predicts Cancer Growth

One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic（遗传的,基因的） m

发表于:2019-02-18 / 阅读(108) / 评论(0)

英语新闻

VOA常速英语2008年-India Plans to Increase Use of Bio-Fuel

By Anjana Pasricha New Delhi 10 April 2008 Next month, India will unveil a national policy to increase the use of bio-fuel. But, as Anjana Pasricha reports from New Delhi, there is growing concern that increased demand for bio-fuel is contributing to

发表于:2019-02-18 / 阅读(168) / 评论(0)

VOA常速英语2008年（四月）

留美老师带你每日说英文第372期:完美无瑕的钻石

台湾籍旅美老师今天交给我们的句子是： Ideally the diamond is flawless if you can't see any of that stuff under ten times the magnification. The higher the clarity the more rare and expensive it is. 理想来说一颗钻石在放大了十

发表于:2019-02-22 / 阅读(95) / 评论(0)

留美老师带你每日说英文

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