音标:[,baiәu'sistimәti] ;
生物分类学, 生物系统学
n use of data (e.g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework
词型变化:名词复数形式 : biosystematies

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发表于:2018-11-30 / 阅读(320) / 评论(0) 分类 24篇魔术美文串记4级词汇

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

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

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新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(61) / 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

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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(155) / 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(124) / 评论(0) 分类 VOA2003(下)-农业与经济

Bioengineered Spinal Disc Could Relieve Back Pain Researchers at Cornell University in New York have developed an artificial spinal disc that may help patients with chronic back pain and other disc problems. The spine is a column of bones alternating

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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(73) / 评论(0) 分类 VOA标准英语2008年(五月)

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

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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

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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(92) / 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

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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

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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(102) / 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

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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

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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

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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(54) / 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(117) / 评论(0) 分类 VOA常速英语2008年(四月)
学英语单词
a day in the country
academic subject
acrotrophic
advances on consignment
adygeys
air-bed
all-relay coded interlocking
alumina hydrate
arched abutment
Archeria
cadpe
cervictis
Chance's back splint
chapped
chuanqi
clay applique
Co-essential
co-orthogonal
cold plug
constant-voltage charge (constant-potential charge)
constat
cosmobiochemistry
decals
deplete semiconductor
edge plate
elegant and graceful
etmopterus pusillus
false fusion
farmen
filling stations
flyer doffing spinning frame
fragmentariness
genus schomburgkias
glaciating
Gorodishche
Gymnocarpium
hating on
Hemicarpenteles
hologram plate
hyocholalic
industrial water requirement
interlocking relation
Kolvan
Lee, Henry
liquid ship
magnetically coupled circuit
marriage line
matzos
maximum lift-to-drag ratio
meerschaum (sepiolite)
Muosuchan
neuromery
neuroticss
non-aqueous ion-exchange
non-coastal
northern rorqual
occasions
odontobothriun
other-domain resource
overall reduction reaction
panchoes
pastel chalk
pendulant
philbertia oligona
Philip The Apostle, Saint
piranga olivaceas
pogamoggan
prestressing loss due to shrinkage
pseudouridine
public object
qac
radiation-counter tube
reactive-load
reef whitetip sharks
regional growth of income
residual genetic effect
rhynchobatus djiddensis
roasted molybdenum oxide
russet-coated
Rāniban
samarium-neodymium age method
scarrys
scattering vector
Sea Dart
seizure quousque
set something off against
short time fading
spring centrifugal clutch
ST_military-and-armed-forces_ranks-in-the-army
Structured Wireless Aware Network
sugar water
tabuks
timbering
trichology
trigeminocervical
turbulent energy spectrum
types of swine
under coverture
unequal addendum gear
unnarrowed
wire enamel