音标:[baipәu'lærit] ;
两[双]极性

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发表于:2018-11-30 / 阅读(396) / 评论(0) 分类 24篇魔术美文串记4级词汇

locomotive startle strife pledge except gross telecomunication plunder adjustable poke testify polarity justification entertainment degradation outrage pop endeavour consistent porcelain avert oxidize metropolitan

发表于:2018-12-01 / 阅读(149) / 评论(0) 分类 用Mp3背六级单词

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(160) / 评论(0) 分类 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(217) / 评论(0) 分类 蒋健棠听说学英语

This summer I was back in Ohio for a family wedding, and when I was there, there was a meet and greet with Anna and Elsa from Frozen. Not the Anna and Elsa from Frozen, as this was not a Disney-sanctioned event. These two entrepreneurs had a business

发表于:2018-12-28 / 阅读(136) / 评论(0) 分类 英语语言学习

新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(117) / 评论(0) 分类 新编大学英语阅读部分

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(125) / 评论(0) 分类 地道美语播客

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(207) / 评论(0) 分类 科技之光

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(180) / 评论(0) 分类 VOA2003(下)-农业与经济

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(172) / 评论(0) 分类 VOA标准英语2010年(八)月

By analyzing different samples of lava, Herrero / Bervera has built up a picture of how the filed has changed since long before humans were around. They are actually the recorders of the Earth's magnetic field in hundreds of years, thousands of years

发表于:2019-01-22 / 阅读(126) / 评论(0) 分类 自然百科2011年

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(162) / 评论(0) 分类 VOA常速英语2008年(二月)

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(140) / 评论(0) 分类 新西兰英语

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(150) / 评论(0) 分类 农业与发展

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(165) / 评论(0) 分类 VOA标准英语2008年(八月)

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(182) / 评论(0) 分类 阅读空间

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(108) / 评论(0) 分类 VOA标准英语2008年(九月)

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(142) / 评论(0) 分类 VOA标准英语2010年(五)月

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(111) / 评论(0) 分类 英语新闻

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(169) / 评论(0) 分类 VOA常速英语2008年(四月)
学英语单词
a matter of principle
acidometry
answer back code
arrange payment
autantonyms
Azuzepin
bambooings
baryecioa
basic(crop)
Benta
blade-spacing diagram
Brofene
byelections
carolinums
chaffings
chunga burmeisteris
clinoform
colonie
concato
constructive trustee
corgwn
creping tissue
cultureme
d'anville
damp sheet
DCTL
disinvented
document scope
double-acting brake
ego-centrism
electron atom ratio
elementary filaments
equity option
fele
fitting response
four-way jack
frangos
fusain
gauze packing
generating ship
glabellar frown lines
guanylic deaminase
Hall-effect
Hedbo
high energy igniter
honeycomb core plywood
infantes
johnson island testing area
kennicott
lakalescence
LANV
levelling effect
lourmarins
mandy
Mantario
mastonia gracilis
materialistic interpretation of history
minicrystal diffusion method
non-central multivariate beta distribution
nonmethylated
ocklawaha
palato-pterygo-quadrate cartilage
parasymplesite
parrel
pentafluoro-phenyl-thiohydantion
pomiferin
prelubricated sealed ball bearing
progressive dryer
proteolipids
put the cat among the pigeons
re-emits
reseasoned
Saint-Domingue
scientific discourse
sclerosomatids
second battle of ypress
serial data output
set up cost
shaft pier
shower bathroom
shuffling of fuel
spicules
spraying gun
squeezin'
staminal sterility
state chamber
stealth mode
sunset job
synergistic muscles
tack-producing agent
tendinoplasty
teram
textfile operator
through-go
Traube's heart
tubesheet lining
user defined format
werrsenn
wormpipe
X-linked genes
zamis
zero potentiometer