酸性熔(焊)剂

What I Have Lived For By Bertrand Russell Three passions, simple but 1) overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and 2) unbearable pity for the suf

发表于:2018-11-28 / 阅读(173) / 评论(0) 分类 疯狂英语2003年

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(91) / 评论(0) 分类 Scientific American(二)月

1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres

发表于:2018-12-30 / 阅读(114) / 评论(0) 分类 突破英文词汇

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(70) / 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(59) / 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(92) / 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(150) / 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(110) / 评论(0) 分类 Scientific American(三)月

Three passions, simple but overwhelmingly strong, have governed my life :the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. These passions, in a wayward course,are over a deep ocean of anguish, reaching

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 英语美文

Egypt's Moussa Stresses Experience in Time of Flux Moussa's past is both a strength and a weakness. The former foreign minister and ex- Arab League chief says he is ready to lead the nation. The country is in a major crisis, noted Moussa. And a major

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2012年(五月)

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(90) / 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(102) / 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(182) / 评论(0) 分类 60秒科学

今天我们要学的词是flux。 Flux, 是动荡的,不断变化的。 The leadership of Yemen is in flux after former president Saleh was forced to step down, 也门前总统萨利赫被迫下台后,国家领导层处于动荡之中。 Afghani

发表于:2019-02-03 / 阅读(96) / 评论(0) 分类 英语单词荟萃

Some jobs these days require little more than a laptop and an internet connection, allowing many digital nomads the opportunity to live and work in cities across the world. But because they often only stay in a place for a few weeks or months at a ti

发表于:2019-02-05 / 阅读(66) / 评论(0) 分类 英语新闻

Rodrigo Duterte, the Philippine president, has backed the idea of a new world order led by China and Russia, highlighting global uncertainty about US security and trade goals under Donald Trump. 菲律宾总统罗德里戈.杜特尔特(Rodrigo Dutert

发表于:2019-02-11 / 阅读(73) / 评论(0) 分类 英语新闻

伯兰特罗素(1872年5月18日-1970年2月2日)是二十世纪最有影响力的哲学家、数学家和逻辑学家之一,同时也是活跃的政治活动家,并致力于哲学的大众化、普及化。无数人将罗素视为这个时代

发表于:2019-02-16 / 阅读(81) / 评论(0) 分类 英语美文

Three passions,simple but overwhelmingly1) strong,have governed my life:the longing for love,the search for knowledge,and unbearable pity for the suffering of mankind.These passions,like great winds,have blown me hither and thither2),

发表于:2019-02-18 / 阅读(81) / 评论(0) 分类 阅读空间

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(132) / 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(285) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
advantage out
amillennialists
armings
automatic threahold
Aveleda
backward-action regulator
Botea
Buttisholz
Byusakan
cairngormstone
chemical economics
cheverel
choice menus
common object model
component nuclear precession magnetometer
congenital amaurosis
crystal controlled
current source for measurement
demandings
diaclases
digital error
disequal
ejector effect
electronic display
eurythmicss
feller-delimber-bucker-buncher
Fer-in-sol
filament switch
Florid-F
heldentenors
high pressure fuel pump
hoky-poky
IADH
Ibadists
initial sensibility
Joeuf
kiddie stroll
leiariuss
Magazine Mountain
malarkey, malarky
mercator cylindrical projection
merchandise valuation
Montechiaro d'Asti
Mudian
mugilogobius abei
multispectral photographic information
musculus protractor pinnae dorsalis
negro
nickel steel
number of repeated impact to breaking
oriental-style
panduriform
Paxton, Joseph
Peraltilla
Polish language
pre-Soviet
pressure drive
pseudo-random process
Puccinellia leiolepis
quality of freight transportation
re import
refined degree
regretably
reserve source of cash
Rundstedt, Karl Rudolf Gerd von
saligine
sandpaintings
Saussurea
screwstock
sdr standard
semiforced
serialisation
serum antitetanicum siccum
silicon steel sheet
sliding-filament model
solvent-recovery system
souster
soviet-eras
speed up gears
spheroides
sportboats
sprocket chain
stenogobius genivittatus
stereoblock
stony uterine mass
storage content
surrebutter
telex booth
temporomalar nerve
terminal equipment types
test of mongolian and tibetan language
thermo-couple pyrometer
three-high bloomer
throat paint
to the best of one's belief
tree farmer
Trombe walls
Tunis.
underfiring gas
visiting nurses
vt (voltage transformer)
wrist roll