酸臭

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(二)月

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(130) / 评论(0) 分类 英语听力文摘 English Digest

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 60秒科学

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 Scientific American(三)月

By Liu Enming Leesburg, Virginia 28 November 2006 watch Dodona Manor report In the quaint, historic town of Leesburg, in the eastern state of Virginia lies Dodona Manor, home to one of the most significant figures in the 20th century, a man who help

发表于:2019-01-12 / 阅读(221) / 评论(0) 分类 2006年VOA标准英语(十一月)

如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)

发表于:2019-01-22 / 阅读(146) / 评论(0) 分类 美国文化脱口秀

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(148) / 评论(0) 分类 自然百科2009年

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(242) / 评论(0) 分类 60秒科学

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(219) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(345) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
ab initio
across-the-board tariff changes
additive-containing nylon
Albertus Magnus, Saint
all metal structure
alpha ray isotope
amesace
analysed
anatomical dead space volume
arrhythmia of pulse
asexual cell
autogenous
automated chemistry program
blind-copy recipient
bronski
calorimeter for gaseous and liquid fuels
cat chows
catalog appliance showroom
chloro-amine
chlorprophame
cinoxacin
Clematis leschenaultiana
cockiness
cohomology spectral sequence
Covered Straddle Write
daily inequality
data conferencing network
derrises
double right shift
douche massage
dtpas
dynamic data recording system
early cropping
emptying auger
Excelsior Mountain
express derogation
flame spectrometry
four way pipe
garnica
getting back with
Gonatrophin
gossypose
grade milk
Harcourt pentane lamp
have a great influence on
historicities
information centre
instantaneous automatic gain control
insufflation
interjudge reliability
jack knife with tin opener
Jinst Uul
kerb trading
killfiled
Kinoshita Keisuke
kitty witties
little out from inside (lofi)
macroassembler line editor
Madougou
magnetizing along stratum
Malaut
maufrey
Monbetsu
motion gaming
naflocort
O-type device
open breathing apparatus
optical crown glass
Oriental region
oroide
osphradium nerve
pass-out steam
phantosmias
plain ring gage
pley
powdery mildew
radar screen picture
recataloged
rerailed
resonant current rise
road carrier
ropeband
Sedum subtile
Skutskär
subjectivenesses
Sylnplocos prunifolia
system, turnkey
tamped liner
text-sentence
three high plate mill
torque winding diagram
tundromycin
undelights
unique existence theorem
Vaubecourt
vena intercostaliss
vertical suction
Waiya
wheeled out
white peas
wooden casks
xlviiier