音标:[,baiəu,kɔnsən'treiʃən] ;
n.
生物浓缩

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发表于:2018-11-30 / 阅读(715) / 评论(0) 分类 24篇魔术美文串记4级词汇

Except for the ruffling of waves, and the pull of the tides, you probably think of the ocean as pretty flat. You wouldn't expect it to have a geography, its waters piled up into lasting hills or sunk into valleys. Sea level ought to be pretty level,

发表于:2018-12-03 / 阅读(379) / 评论(0) 分类 英语时差8,16

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(421) / 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(596) / 评论(0) 分类 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(389) / 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(408) / 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(538) / 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(474) / 评论(0) 分类 VOA2003(下)-农业与经济

Weather extremes mark 21st centurys first decade The first 10 years of this century were the hottest in 160 years and filled with more temperature records than any other decade as global warming accelerated, the UNs weather agency has reported. 联合国

发表于:2019-01-08 / 阅读(371) / 评论(0) 分类 英语笔译

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(466) / 评论(0) 分类 VOA标准英语2010年(八)月

By Malcolm Brown Washington, D.C. 19 February 2008 Some high profile foreign investments in the United States are drawing attention to the enormously wealthy entities behind the deals. Of particular concern are sovereign wealth funds -- pools of stat

发表于:2019-01-20 / 阅读(363) / 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(404) / 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(451) / 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(493) / 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(504) / 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(396) / 评论(0) 分类 VOA标准英语2008年(九月)

Three of these nucleotides are also thought to be associated with sleep and sedation. A team of Spanish researchers collected breast milk over a twenty-four hour period from thirty healthy moms who had been breast-feeding for at least three months. T

发表于:2019-02-15 / 阅读(305) / 评论(0) 分类 英语时差8,16

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(416) / 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(473) / 评论(0) 分类 VOA常速英语2008年(四月)

What Time Of Day Is Best To Feed Infants So That They Fall Asleep 把孩子养大可不是一件容易的事。婴儿没有时间观念,他可不管自己的爸爸妈妈累了一天晚上需要休息。更要命的是,孩子似乎觉得晚上的安

发表于:2019-02-24 / 阅读(332) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
17-hydroxycorticoids
5-FU
arbasin
assessment criteria
auxiliary feeder
be canned
be placed on the docket
bearing axle
brachiosaur us
brigades
cad pig
Carmenes
cavity reactor-MHD generator
celestial equator
contextualisms
control of aphids
cuirass respirator
dairy product
ddt (dichloro-diphenyl-trichloroethane)
DETC
doradids
dottur
double layer antireflection coating
drawn plough
drying machine
estivo-autumnal malaria
extrinsic conductance
feeling the bottom
femtogram
fishy taint
forcing spindle
geocentric constant
Great Blasket I.
grey-out
Heracleum stenopteroides
hierakonpolis
hungry fine wool
hurmal lobe
hypoallergenic cosmetics
i see your point
impedance matching load box
inad
independent right
inter-drain
intergrating gear
intermolecular condensation
intervertebral foramen
isothermal atmosphere
Kurnakov
lainey
letter opener
lie yourselves out of
lord of war
Manning, Cape
mark condition
naphthyl alcohol
north arrow
oversearches
ovoinhibitor
oxycoal gas
peabody
philosophical method
pick-up loader and cleaner for olives
Placid Lake
plastic macro-composite
property surplus
prosapogenins
r.s
reactor engineering
reversed line
Rumburk
Saint Peter Port
salmon and trout factory ship
San Pedro del Arroyo
scene of crime
scoop wheel pump
sedimentary tuff
shaped reflector cassegrain
shoot-the-chute
Sir William Crookes
spectrofluorimetric
speechwriting
spell-book
stereotactic
subsidiary department
sure-enough
swounding
symmetric space
temporo-
timed mating
TLVei
tosatrochus attenuatus
transfer trolley
true time operation
tug one's forelock
umbilics
unit processes in chemical synthesis
unshamely
verbal overshadowing
woodboys
x-fly
year end population