[网络] 生物降解

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发表于:2018-11-30 / 阅读(464) / 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

发表于:2018-12-03 / 阅读(203) / 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(289) / 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(175) / 评论(0) 分类 新编大学英语阅读部分

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: reduced forms in spoken American English. RS: We're talking about forms like whaddaya -- meaning what do you, as in whaddaya say? Whaddaya Say? is also the title of a popular teac

发表于:2018-12-30 / 阅读(162) / 评论(0) 分类 词汇大师(Wordmaster)

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(180) / 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(264) / 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(248) / 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(238) / 评论(0) 分类 VOA标准英语2010年(八)月

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(275) / 评论(0) 分类 自然百科2008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(237) / 评论(0) 分类 VOA常速英语2008年(二月)

Broadcast on Coast to Coast: January 16, 2003 AA: I'm Avi Arditti with Rosanne Skirble and this week on Wordmaster, English teacher Lida Baker explains some of the shortcuts that work their way into conversational American speech. RS: They're called

发表于:2019-01-25 / 阅读(277) / 评论(0) 分类 词汇大师(Wordmaster)

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(184) / 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(202) / 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(225) / 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(247) / 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(172) / 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(190) / 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(164) / 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(233) / 评论(0) 分类 VOA常速英语2008年(四月)
学英语单词
alonso
amusical
Andaman canarytree
at odd moments
atom-convertible
bedpan commando
benzfuran
Berdaale
block flow
breeze-fixing brick
Burma black wood
calipers square clasp
canoneer
capacitor impulse type tachometer
catharising
Chrominium
combined parity conservation law
complete set of bras
Czech hedgehog
defoamer GPE
delayed menstruaion
depth of thread
docking bridge awning
dog teeth
Drachkava
drinkdom
dye penetrate method
east kazakhstan
epicenter shift
escitoire
etherifies
exploitativeness
eye plate
eye shopping
facies plantaris fibulae
falls-off
fight songs
Fumngillin
gametocyte
general to specific modeling
Gigantoproductus
grid-connected pv system
guloses
harked back to
Helix pomatia
Hiattville
indexing follower
instalment buying
internal auditing manual
jetts
Kochkor
l'he
laser frequency stabilizing system
local perspective
long bill
loxoconcha machoui
magneto optic resonance
mason's float
mediastinal disease
meet with acceptance
multi-wavelength
musheshe
nanohenry
net wealth
Nil, Mudīrīyat an
orcherd
owneress
paleoliberalism
paly booty
pancreatitic
paralactic
plumb position
pneumonialike
prehypertrophic
qualitative reliability consumption data
rarotonga i.
routine editor
Samuel Wilder
saturation level
screw sb up
seamless handover
single-stranded RNA
singphos
space-invariant operation
stress increment
strothir
subsurface thermometer
tasse
tender procedure
tomato-cucumber
tracheoesophageal fistula
true revolution
turbidite sequence
turn on time
turn your nose up at
Tuzet
two level laser
Ulan Erge
unimpacted
variation diagram
wrothe
xmm