[化] 苯基羟苄基

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(151) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(三)月

Todd: OK, Ann, you spent quite a bit of time in Australia recently so why don't you talk about that? Ann: I really liked living in Australia. I was an international student and I studied education at the university of Sydney. And living in Sydney was

发表于:2018-12-25 / 阅读(127) / 评论(0) 分类 原版英语对话1000个

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(99) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(96) / 评论(0) 分类 英语听力文摘 English Digest

迈克尔.杰克逊:ben Ben Ben, the two of us need look no more We both found what we were looking for With a friend to call my own I'll never be alone And you my friend will see You've got a friend in me Ben, you're always running here and there

发表于:2019-01-03 / 阅读(243) / 评论(0) 分类 迈克尔杰克逊经典歌曲

By Zulima Palacio Washington, DC 05 May 2006 watch Hydro Power report For a long time, hydropower was considered the original renewable energy resource. In many countries, hydropower represents a high

发表于:2019-01-07 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(五月)

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(十一)月

By David Gollust Sydney 15 March 2006 U.S. Secretary of State Condoleezza Rice deplanes after touching down in Sydney, Australia, Wednesday, March 15, 2006 U.S. Secretary of State Condoleezza Rice is

发表于:2019-01-09 / 阅读(181) / 评论(0) 分类 2006年VOA标准英语(三月)

Australia's Muslim leaders have opened their mosques and schools to house Roman Catholic pilgrims for World Youth Day as part of efforts to ease interfaith tensions. The Australian Federation of Islamic Councils is also planning mixed-faith sporting

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2008年(七月)

MRI Sees Brain Atrophy Years Before Alzheimer's Symptoms Memory loss and mental confusion are the first overt signs of Alzheimer's Disease, an incurable and fatal brain ailment. But scientists are starting to find evidence of the disease long before

发表于:2019-01-14 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(四月)

By Phil Mercer Sydney 01 April 2007 Difference of switching many of the city's lights is shown in this combo taken one week apart in Sydney, on 24 Mar 2007, above, and 31 Mar 2007, below Parts of Australia's biggest city, Sydney, plunged into near da

发表于:2019-01-20 / 阅读(129) / 评论(0) 分类 2007年VOA标准英语(四月)

benison,n 赐福;祝福=blessing 【记】ben笨,son儿子。笨儿子。有个笨儿子可不是坏事,那是福气。比如,你的儿子要是阿甘(亿万富翁),你就不用出国了,等着在家享福吧

发表于:2019-01-25 / 阅读(200) / 评论(0) 分类 不择手段背单词

Hundreds of thousands of people have greeted the Pope on his official arrival for World Youth Day in the Australian city, Sydney. The pontiff has praised the Australian government for apologizing to the country's indigenous people for past injustice

发表于:2019-01-30 / 阅读(113) / 评论(0) 分类 VOA标准英语2008年(七月)

By Gilbert da Costa Abuja 16 October 2006 An international campaign to draw attention to the huge agricultural potential of the Sahel drylands of Africa is gaining ground, with a recent workshop in Niamey, the capital of Niger. The campaign seeks to

发表于:2019-02-02 / 阅读(231) / 评论(0) 分类 2006年VOA标准英语(十月)

英文歌词: So, so you think you can tell Heaven from Hell, Blue skies from pain. Can you tell a green field From a cold steel rail? A smile from a veil? Do you think you can tell? Did they get you to trade Your heroes for ghosts? Hot ashes for trees

发表于:2019-02-04 / 阅读(142) / 评论(0) 分类 英文摇滚歌曲

By Rosanne Skirble Washington 01 April 2007 The wife of presidential candidate John Edwards renewed her fight against breast cancer this week. Elizabeth Edwards is one of three million women in the United States living with the disease. Of the 275,00

发表于:2019-02-04 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(270) / 评论(0) 分类 英语新闻

A person suffering from Alzheimer's gradually loses touch with reality. It is one of the most dreaded diseases of aging. When you think about the functions that limit living independently and autonomously, loss of cognition is one of the major ones,

发表于:2019-02-12 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(三月)
学英语单词
a stroke of genius
accentologically
active part
air sea interaction
ammoniated brine
ammonium manganese pyrophosphate
Anmyeon
Arnold steam sterilization
as gaudy as a peacock butterfly
asterionella japonica
be different than
bearing of journals
bilham
bobet
boomeritis
Brush-Tailed
center hole drilling machine
chain-chew
charitable remainder
clinometry
coilpanel
colony-forming unit-monocyte-macrophage
commissural cells
common caper
coordinative valency
crossectomies
dalk
dempy
depolymerase
die-pressed graphite
direct-current cleaning
divisional communication
dog house
duroplastic
epicontinental marginal sea
exit instruction
ferric oxides
formatio reticularis trunci encephalici
fuel assembly grid
functionalizes
gadolinium sulphate
gage adjusting clip
gas properties
gas tube counter
green fuel
Gross Berkel
Grvacridonediol
herrerasaurs
Hijum
hump fading
hypermyoglobinemia
interdeck superheater
isosceles righttriangle
julian data
kilcline
laminated veneer
lashings
Lien Hiep
Lindera kariensis
log-rolling
luchuan
magneto-optic rotation
mandschurite
manoeuvrers
matching rule
mechanics of visco-elastic bodies
mixer-with conical screw
moisturisers
monoclinal warping
neadmete japonica
normal distribution function
operating cost
oreibates (greece)
orsat analyzer
parnitene
paterfamiliases
picture object
PMSD
Potamonidae
probe to weld distance
quadratrons
rearest
rente
ring interconnection
roll one's own
rycotes
section automatic weapon
Sheboygan County
sheptolydigin
shipmoney
spill-pit
St. Kitts
storm axis
tabes ergotica
to doing
torynorrhina pilifera
tramonti
umbilical ring
venae axillaris
veto in detail
WMZ