[化] 氯化三苯基四唑; 氯化三苯基四唑┹
[医] 氯化三苯基四氮唑

Long Before Burning Man, Zozobra Brought Fire And Redemption To The Desert play pause stop mute unmute max volume 00:0005:40repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

发表于:2018-12-02 / 阅读(176) / 评论(0) 分类 2016年NPR美国国家公共电台9月

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(141) / 评论(0) 分类 VOA标准英语2014年(六月)

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(155) / 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(128) / 评论(0) 分类 Scientific American(三)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(一)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(104) / 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(101) / 评论(0) 分类 英语听力文摘 English Digest

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 医务英语

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(147) / 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(150) / 评论(0) 分类 Scientific American(十一)月

Zou bisou bisou, 快来么么哒 Zou bisou bisou, 快来么么哒 Zou bisou bisou, 快来么么哒 Zou bisou, zou bisou, 快来么么哒呀么么哒 Mon dieu qu'ils sont doux 哎呦喂真是温柔呢 Zou bisou bisou, 快来么么哒 Zou bisou bisou, 快

发表于:2019-01-10 / 阅读(165) / 评论(0) 分类 影视英文歌曲

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(194) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(137) / 评论(0) 分类 自然百科2009年

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(134) / 评论(0) 分类 地道美语播客

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(288) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(175) / 评论(0) 分类 万物简史

Andrea Zonn-Better Be Home Soon Somewhere deep inside 内心深处的某个地方 Something's got a hold on you 有个东西抓住了你 And it's pushing me aside 它把我推在一旁 See it stretch on forever 看,它仍在蔓延 I know i'm right 我

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 好听的英文歌曲

饶舌:Brokencyde - Schitzo 相关介绍 :你听过Crunk加 Screamo的么?强力推荐,强烈的hipa节奏+上scream.强的没话说,第2首Bree!听着像猪叫...哈哈fans别骂我,太喜欢这种个性的音乐了 歌词 : Song :Schitzo Arti

发表于:2019-02-20 / 阅读(176) / 评论(0) 分类 节奏布鲁斯

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(230) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
acrilans
allylamino
anaerobic adhesive
balsam families
Blake,William
bubbliness
cancelled leaf
carapace lira
Cardamine schulziana
chemical milling
chessboards
childhood disease
clean l/c
clean water pump
colour class
Colvadur
coram non judice
crisis-mode
Culture System
damp evil
daystar
default options
demoniacle
density of snow
design in intaglio
diagnostic horizon
dilational stress
domain of variation
drinesses
dry fuel basis
dubin
dummy component
epithermal neutron log
familiarises
fancy mat weave
fatbrained
feature codes menu
Fermi selection rules
fines herbes
frame connector
Friedanian
front guard frame
garment design
Graphon
hag's tooth
herbry
high degree of adaptability
Holmfirth
Horseshoe B.
house paint
hungry ghosts
ihsan
imp.gal.
individual level type all-relay inter-locking
Japanese radish
jus transitus innoxii
let it out
Mangoags
manufacturing method
marking press
mechanical lubricator
meteoric speed
Methafrome
multi-block slide
muscle skeleton
Nephtyidae
normal earthquake
omar nelson bradleys
outer column
Paralympian
perpetual scholar
perpetual screw
piaroas
Pichayevo
precise weighing
primary coolant
primary extraxylary fibre
prolonged life support
psychological effects
pulse-scaling circuit
refractory slab
resource planning
schnipper
shag-eared
singings
somatic agglutinin
St-Sever-Calvados
straight debt value
swallow-fork
teacher-days
the honorable gentleman
Thiron-Gardais
tidal port
tonal variation
transposition facilities
trinaphthylenyl
urban warming
value of cv
valve packing
water-pick
wayment
Yaren Dist.