酸型阳离子交换树脂

[00:04.24]Mommo, here's your-- What are you doing? 奶奶 给你 你在做什么? [00:06.08]Preventing alien abduction, that's what l'm doing. 我在准备应对被外星人拐骗 [00:11.16]Thank you. 谢谢 [00:16.56]Dang crabgrass. 该死的草 [00

发表于:2018-12-07 / 阅读(158) / 评论(0) 分类 听电影学英语-别惹蚂蚁

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

43. I'd strongly recommend that... 我强烈建议 用法透视 又是一个表示建议的句型,但语气上要强得多。 支持范例 1. I'd strongly recommend that you (should) take the TOEFL test before you study in the U.S. 我强烈建议你去美国念书前应该先考托福。 2. I'd stro

发表于:2018-12-24 / 阅读(52) / 评论(0) 分类 英语句型学口语

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(64) / 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(53) / 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(79) / 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(141) / 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(96) / 评论(0) 分类 Scientific American(三)月

[00:02.58]Pronunciation [00:03.94]Exercise 4 Listen to three sentences. [00:08.37]Choose the correct meaning,a, b or c, [00:12.26]according to the way each sentence is stressed. [00:15.50]1 The man at the back in the blue jacket. [00:20.25]2 There's

发表于:2019-01-10 / 阅读(288) / 评论(0) 分类 北师大版高中英语模块7(选修)

Education Report - American Documents the Countrys First Exchange Students from China This the VOA Special English Education Report. Many thousands of Chinese are studying at schools in the United States. And writer Liel Leibovitz says the students a

发表于:2019-01-12 / 阅读(78) / 评论(0) 分类 2012年VOA慢速英语(九)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(79) / 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(93) / 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(173) / 评论(0) 分类 60秒科学

WASHINGTON, Feb. 24 (Xinhua) -- U.S. Federal Reserve Chair Janet Yellen on Tuesday strongly criticized a proposed legislation known as Audit the Fed which is aimed to expand Congress' oversight of the central bank's monetary policy. I want to be comp

发表于:2019-02-06 / 阅读(57) / 评论(0) 分类 英语新闻

Childhood and Poetry One time, investigating in the backyard of our house in Temuco the tiny objects and minuscule beings of my world, I came upon a hole in one of the boards of the fence. I looked through the hole and saw a landscape like that behin

发表于:2019-02-08 / 阅读(73) / 评论(0) 分类 英语作文

COLOMBO, Feb. 24 ((Xinhua) -- The United States on Sunday strongly condemned the attacks on Maldivian media personnel after three journalists were attacked in capital Male on Friday, officials said. The U.S. Embassy in Colombo, in a statement said th

发表于:2019-02-08 / 阅读(157) / 评论(0) 分类 英语新闻

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(84) / 评论(0) 分类 英语新闻

欧盟承诺加强核安全 BRUSSELS, March 25 (Xinhua) -- European Commission President Jose Manuel Barroso said on Tuesday that the European Union (EU) remains strongly committed to reinforcing nuclear safety and security. Barroso made the remarks

发表于:2019-02-22 / 阅读(86) / 评论(0) 分类 英语新闻

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(120) / 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(276) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a.m.d
absolute demand
absolute isohypse
addings
agricole
al-birunis
Alhamilla, Sa.
antimony oxychloride
arecoline-acetarsol
automated cost estimates
backbear
benzo
beside point
biperiden
bochka
Bondi, Sir Hermann
Carlux
carrick bitts
center of interaction
centrifuge test system
chemical-warfare
chestnut earth
chitin-protein complex
collateralized bond obligations
combinatorial function
condensed milk
crewelworks
cryptanalysts
cyber-Muslim
damage
devauxes
dilhorne
Dundas, L.
East Pakistani
error in omission
euruss
fibrewoods
fine edition
floorwomen
flying mare
foists on
full center
fullonite
glycosphingolipidosis
headstrongly
heirmologia
highly siliceous tin slag
impulse oscillograph
index of wages
information-processing
intelligence gathering
Jepson
Levothroid
light harvesting chlorophyll-protein complex
lomentose
longitudinal-transverse shear modulus of composite
lump-loaded circuit
macanudo
meningitic
miss the connection
Montelimar
new builds
noise precaution
non-linear viscoelasticity
nondieters
partial conserved axial current
Pedilidae
personologic
platform vibrator
polyvinyl acetal
Primeiro de Maio
prunus persica batsch var.pyramidalis dipp.
pruriences
pulsatory ratio
regional migration
reinitializes
retrieval-failure
sal(a)eratus
selective noise detection circuit
self cleaning car
sell by sample
shackleton ra.
Simonsiealla
sitting around
source document
speed-ratio control
squarefeet
steam-gas mixture
stick culture
sub-optimalities
subclass cirripedias
tangent tube construction
three-cylinder two-stroke engine
throw out of gear
Timber Trade Federation Clauses
topic selection
Transcaucasian SFSR
transmission path
uile
variability law
verify quantity of the goods
wash-bottle for gases