[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
adjusted sales value
allometry coefficient
antichlors
Antilusin
aporocactus flagelliformiss
arresting enursis
barrel ratchet screw
boomburbs
burkanov
c.n.s
capital account balance sheet
circular rubber diaphragm
claritin
cochleas
coto
cross claisen condensation
debentured
decacanth
deep-copy
dense interchangeable ROM
doublerow
draw rod
dual tabularform
engineering of consent
eoved vault
famotine
five-pointers
fluxapyroxad
foundations of geometry
Galeras
gamblin
gamma-radiations
Gelao
get the weather gauge on
half-sunk
hanging offenses
have a call to
hook shackle
human readable interpretation
hypoheparinemia
i-measures
interim index
iridoplegia
irrigation period
isomeric
kaersutite
kansei engineering
Koraqua
lamp bridge
LCDTL (load-compensated diode-transistor logic)
liquid dehumidifying
living over
local lane
log periodic antenna
maintown
maneuvering arrangement
meiners
metaheuristic
mukti
naker
nim-gimmer
non-myelinated nerve fiber
nontechnocratic
oilfield flooding
open phase relay
operation job card
palative
pergelation
petroleum geologies
phymatopsis hastata(thunb.)kitagawa
pill pushers
plagiothecium formosicum
probable maximum precipitation
ravalli
recording supervisor
rehearsal
run-time data
single carry
socio-economic effects
soil test
staff supervision
start against sb.
Sulfolobales
Supur
sweet nothings
symbolic analogy
synchrotron source
tahara
three-cylinder pump
tinctorial yield
tinsnips
tongue-shells
tricolor picture tube
triple cremes
tummels
twilight arc(h)
uffes
Valdenoches
went to sleep
zebra spiders
zimmerle