[有机化学] 1-苯基-3-吡唑烷酮

By Benjamin Sand Islamabad 30 April 2006 Afghan police have found the beheaded body of an Indian engineer, who was kidnapped Friday by suspected Taleban militants. Manjula, center right, wife of K. Su

发表于:2018-12-16 / 阅读(170) / 评论(0) 分类 2006年VOA标准英语(四月)

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(146) / 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(116) / 评论(0) 分类 Scientific American(三)月

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(91) / 评论(0) 分类 初学者听力文摘精选

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(144) / 评论(0) 分类 国家地理2008年

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(89) / 评论(0) 分类 英语听力文摘 English Digest

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(134) / 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(134) / 评论(0) 分类 Scientific American(十一)月

Notice Me - NB Ridaz Sometimes I think about (come on) Everything that we been through And I pray that you would just open your eyes (NB Ridaz) I love you (I love you baby) (Magic) I love you too girl And I need you (and I need you too) So please don

发表于:2019-01-10 / 阅读(172) / 评论(0) 分类 英文歌曲第一辑

歌曲 : The realist killaz 艺人 : 2Pac Ft. 50 Cent 音乐星级 : ★★★★ 所属专辑 : G-Unit Radio 发行年代 : 2003 风格 : Gangsta Rap 介绍: 这首The realist killaz由说唱界巨头之一的2Pac和50 Cent共同演绎,2003年的了,可能很多喜欢嘻哈的朋友都该听的差

发表于:2019-01-11 / 阅读(236) / 评论(0) 分类 饶舌音乐

(What?) Is it over? I'm too busy getting over Feel like I've been working overtime Every time, it's you and I Now I'm a little older Don't want it just like I told you Feel like I've been working overtime Getting tired of you and I If you really want

发表于:2019-01-11 / 阅读(109) / 评论(0) 分类 节奏布鲁斯

You know what to say on my way out Hit me with the hey been a while Now I'm going straight through the fire fire I don't even know why though Get me on a wave then you fade out Hit me with the light got me hired I should get away from you I know I kn

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 节奏布鲁斯

I breathe you in You are taking over Got me open Losing my composure You know that I love it when when you say my name Pull me closer into you tell me that you'll stay Take me deep into your mind We can get away We can get away You got me so high Hig

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 节奏布鲁斯

[Khalid amp; Alina Baraz:] 2am and I'm still breathing Staring at my thoughts Floating up to the ceiling I'm swimming in everything you said I'm thinking 'bout jumping in instead I've got you skinny dipping Deep inside my head [Alina Baraz:] It's in

发表于:2019-01-11 / 阅读(278) / 评论(0) 分类 节奏布鲁斯

Azaz Residents Pick Up After Aerial Bombings The residents of Azaz clean up and mourn after Wednesday's deadly bombing by Syrian government warplanes. Azaz had been peaceful in recent months, although forces of the rebel Free Syrian Army have had to

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2012年(八月)

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(162) / 评论(0) 分类 自然百科2008年

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(263) / 评论(0) 分类 英语新闻

By Anya Ardayeva Moscow 03 October 2006 watch Russia Gazprom report Illustration of Gazprom pipelines Russia's largest company, Gazprom, is now the leading supplier of natural gas to Europe. The state-run Russian conglomerate is also expanding into

发表于:2019-02-05 / 阅读(167) / 评论(0) 分类 2006年VOA标准英语(十月)

歌曲 : I am alive 艺人 : Lazard 音乐星级 : ★★★★ 所属专辑 : 未知 发行年代 : 2008 风格 : Dance 介绍: 同样是搜索不到资料的歌手,但是歌曲却很好听,她的歌声就像带着电一样,在强烈的节拍下,刺激着你的神经,只想跟随节奏一起舞动。 歌词: Song: I

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 舞曲狂欢

THE HAGUE, Feb. 27 (Xinhua) -- PSV Eindhoven and AZ Alkmaar qualified for the final of the Dutch Cup, the KNVB Beker, on Wednesday by beating PEC Zwolle and Ajax by identical 3-0 respectively. Ajax dominated the first half against AZ in Amsterdam, bu

发表于:2019-02-08 / 阅读(154) / 评论(0) 分类 英语新闻
学英语单词
accptance criteria
acms user
active reconnaissance
Adincata
agreers
angiomyoliopma
apparent horizons
aurora australis
Bellingwolde
broderbunds
calogerasite(simpsonite)
capacitive loading
care order
colo(u)r-saturation control
computational complexity theory
congenital dyskeratosis
contemporianism
contrastimulus
crixivans
crystal field stabilization energies
data intensive
dead-skins
demo version
dictionary software
drum shears
edge colour, edge stain
Enzicoba
espontoon
esroes
Euler's polynomial
freckle
Fφrdesfjord
grazing selectivity
Greenwich hour angle
have a bad conscience
hydrolytic spoilage
hysterodynamic
index number of wage
inflammatory scoliosis
infusion kettle
inner epithelial sheath
internal marginality
isogranular
keesing
kouba
La Rue
Leptospira hyos
limiting oxygen index
liquid damping
lobuar bronchioles
longitudinal ridges
looping bed
lortab
low-middle
lower tweendeck
luminous flux (i)
maximum travel speed
meningomyelocele
Miramichi B.
misassembly
mistpouffers
mold plate
Niendorf
nutriders
orschallite
out-of-bounds area
paraffin intermediate crude
paregal
Patrakeyevka
phase resistance
photopredissociation
phyllosticta lilicola sacc.
pomacentrus stigma
pseudentity
pseudophlomis
right gastroomental artery
rotating view
round-head bolt
rum-strum
science-oriented
selector marker
self-recording machenism
shoebomber
shortest spanning subtree
sizing instruction
Smilax vaginata
ST_clothes_fastening-clothing-and-textiles
states of the art
surface-volume ratio
theobroma
tidworth
transmitter ready
trisection of angle
Uighur
unarrest
ventilation-perfusions
Wigner gap
winnowing fan
woolens
yacupe
yellow mercuric sulfate