[化] 苯酚
[医] 酚, 石炭酸

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(166) / 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(140) / 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(122) / 评论(0) 分类 初学者听力文摘精选

(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate

发表于:2018-12-30 / 阅读(160) / 评论(0) 分类 托福听力短文

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(112) / 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(160) / 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(162) / 评论(0) 分类 Scientific American(十一)月

Japan said Tuesday it had successfully extracted methane hydrate, known as fire ice, from its seabed, possibly unlocking many years' worth of gas for the resource-starved country. In what they are claiming as a world first, a consortium is drilling f

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 英语阅读理解

Ben Carter Powdered material called dry water, could provide a new way to store carbon dioxide in an effort to fight global warming. Dry water looks a lot like fine white sand, which isn't surprising since what makes it dry is that each tiny water dr

发表于:2019-01-14 / 阅读(159) / 评论(0) 分类 VOA标准英语2010年(九)月

It's very hard to tell. We've just hit the water. It's very hard to tell what altitude we're at. We've crashed the airplane at 930 feet. It seems clear that flying into that methane caused enough confusion in the instruments and with Thomas and he en

发表于:2019-01-22 / 阅读(180) / 评论(0) 分类 自然百科2010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(298) / 评论(0) 分类 英语新闻

本期内容: How much you sweat doesn't necessarily correlate with the intensity of your workout. It is due to a number of factors, including gender (men tend to sweat more than women) and age (younger people sweat more than older people) as well

发表于:2019-02-20 / 阅读(127) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
a smooth tongue
aestheticians
arterial aneurysm
Atalaya del Canavate
austrotaxus spicatas
automatic braking system
axle tramp
bad landss
bodypacks
bonus fund
campospasm
capacity-accumulation game
celeripede
cerebral accident
chronometer record book
cities of brotherly love
clocks on
cushion-back carpet
defence goods
deontologies
depsidones
Diospyros virginiana
disperse red
division of wavefront
dropping worm
eddy's structure
fidicinis
Fish begins to stink at the head.
fuel sphere
gellers
get off the dime
hardware resources
have one's nose in
head style
influenzavirus influenza virus
integrated environment
jet blast deflector (jbd)
kariz
LC (link controller)
leak-tight barrier
lifebuoy
little-girl-lost
loehlin
Mammamattawa
megalocytiviruses
melanostomias melanopogon
miagite
mill cost
moonface
moonrock
nickel iron battery
nickelous cyanide
nomograph
non-thermal bremsstrahlung
North Bloomfield
not in a million years
ohly
oleander
oriented surface
Ottelia cordata
outage time unplanned
paludosus
parnaiba (parnahyba)
partial compaction
perfelsic (c.i.p.w.)
Peron
pixie cap
polypropylene belt
raise bail
rate of empty container
raybin
razumovsky
registered competitive trader
reinfused
residualist
retron
Samsun Körfezi
sarcophyton trocheliophorum
Septechamosite
sera lactis
sheep farm
skin divings
sockin'
southern-hemisphere
stretcher-party
stylin'
substitutio vulgaris
sulfa
superficial flexor muscle
synesthesias
tagles
telegram copy
thermal chemistry
thermal light
threit
train-load
uk -fest
valve balancing piston
wage bracket table
wageling
water-dock
Zabok