[医] 无酸性消化不良

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(227) / 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(163) / 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(152) / 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(177) / 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(239) / 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(251) / 评论(0) 分类 Scientific American(三)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(174) / 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(189) / 评论(0) 分类 自然百科2009年

I told him, too, that he being in other things such an extremely sensible and sagacious savage, 我告诉他,他在别的方面都很出色, it pained me, very badly pained me, to see him now so deplorably foolish about this ridiculous Ramadan of

发表于:2019-01-29 / 阅读(191) / 评论(0) 分类 白鲸记

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(298) / 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(269) / 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(402) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
alcohol soluble phenolic resin varnish
antithymocyte serum
asymmetric circulation pattern
audibility zone
automatic electrode assembly
benzonases
bioabsorption
blennorrhea, blennorrhoea
body of cracking stock
bomb casing
broom brush
bulla a frigore
burn-up fraction
cake mixes
car lightning arrester
carbon (granule) transmitter
chinese characteristic
composition of fuzzy relation
counter-trades
crude sampler
dangerous goods stowage plan
data pool editor input data format
database register
defrosting tray
DEN-1
double-endeds
dry-cleaning
dust-outs
duyvil
erbium perchlorate
european blackbirds
explosive venting
FDSL
feeding channel
Filicium
free money
full-resolution
genus rheas
genus tulostomas
geodesist
gill apparatus
government accounting offices
guaranteed security
h-vector
Harbour Buffett
Heliocereus
hemidactyls
higher mental process
independent auditors
inquisitionist
interrupt vectoring
kamber
matt fibre
maximum to average power ratio
microorganic contaminant
mismatch boundary
no-hope
number average
once-through type steam generator
ossiculated
over-achievers
overmuches
pages up
Parasenecio souliei
periaxonal space
phantom group
phomal loti cooke
pituitary syndrome
plagiogyriva dunnii copel.
polystyrene riser
pulp chemicals
punch reproducer
quality index
quartic surd
ready-handed
reciprocating-conveyor continuous centrifugal
reduced-size liver transplantation
reputation
Rosa brunonii
SADARM
seabornest
sennel
single-volume
six-slot
spheric valve
splenius muscle
status code
subdued uplift
subministering
tactical air navigation
termination box
thermophagia
Thörnich
Tollen's aldehyde test
trutta
turtur
ultrasonic spectrum
unfrequented
unsaturated hydraulic conductivity
versemakers
voice synthesis
Wood-vinegar