酸性电解质

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发表于:2018-12-10 / 阅读(174) / 评论(0) 分类 牛津阅读树ORTMP3(1-11级)

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

One of my favourite times of the day is bath time. I absolutely love taking a bath. Baths are so much better than showers. Having a bath is the most relaxing thing. Theres nothing better in life than sinking into a hot bath and letting the water take

发表于:2018-12-26 / 阅读(179) / 评论(0) 分类 纯正英语一分钟

Language Points 1.call out random numbers when someone is counting. 2.don't use punctuation. 3.reply to a long chat message with a k. 4.talk in a baby voice 5.click a ballpoint pen continuously 6.borrow someone's pen and then chew it 7.after taking a

发表于:2018-12-26 / 阅读(226) / 评论(0) 分类 爆笑英语口语

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(155) / 评论(0) 分类 英语听力文摘 English Digest

A spring bath in winter Its damn cold today. To warm up my body, I went to Wulai hot spring. Its so comfortable to soak my body in the hot spring that I didnt want to get my body away from it. As a result, I fainted in the pool, and was taken to hosp

发表于:2019-01-02 / 阅读(263) / 评论(0) 分类 不用背句型学英语

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(144) / 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(171) / 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(230) / 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(241) / 评论(0) 分类 Scientific American(三)月

[00:00.00]Unit 2 [00:04.78]The thumb is in the bath. [00:08.33]Activity 1 [00:12.77]Listen and repeat. [00:18.73]shoe [00:21.58]fish [00:24.24]treasure [00:26.98]television [00:30.54]rabbit [00:33.31]radio [00:36.34]house [00:39.08]head [00:41.64]Act

发表于:2019-01-09 / 阅读(233) / 评论(0) 分类 新标准小学英语活动用书5册(一年级起点)

Can you wash your hair? I can wash my hair. Can you wash your feet? I can wash my feet. Can you wash your face? I can wash my face. Can you wash your knees. I can wash my knees. I can wash my hair I can wash my feet I can wash my face. I can wash my

发表于:2019-01-10 / 阅读(225) / 评论(0) 分类 Super Simple Songs 唱唱跳跳学美语

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(171) / 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(183) / 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(292) / 评论(0) 分类 60秒科学

I spent the day helping my friend, Babbit, on his farm. When I got home, my wife said, You stink ! I headed straight for the shower . I ran the water , closed the shower curtain , and adjusted the showerhead . I worked the soap into a lather and scru

发表于:2019-02-05 / 阅读(225) / 评论(0) 分类 地道美语播客

The Art of Doing Nothing Sure, we all know how to do nothing. We all know how to lay around and waste time. But many of us are too busy to do it much, and when we do it, our minds are often on other things. We cannot relax and enjoy the nothingness.

发表于:2019-02-09 / 阅读(331) / 评论(0) 分类 阅读空间

Stan: I won 92 goldfish. 斯丹:我赢了 92 条金鱼。 Fred: Where are you going to keep them? 弗雷德:你想在哪儿养它们? Stan: In the bathroom. 斯丹:浴室。 Fred: But what will you do when you want to take a bath? 弗雷德:但

发表于:2019-03-01 / 阅读(216) / 评论(0) 分类 趣味英语

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(262) / 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(398) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
A-metal
aberrance
acne keloidalis
all parts
antibiotics sensitivity
Binh Phuoc Xuan
Burzet
categorial form
central control mechanism
ceramic oxide
chair massage
charge spectra
clinical medical selection
close classification
co-brother
co-sedimentation
cobra-lecithid
companion mineral
cucinelli
dairywomen
defective item
dunlop
dynamometer link
fixed model
flash-light battery
flufenazine
forbidden transition assignment
fords madox fords
fracture criteria
genrikh
genus Eschscholtzia
Herring bodies
historical-critical
Hofmann, Josef
humanitarian crisis
indentation tests
infima
inflatine
inhibit sb from doing sth
instrumentation complex
kinderdijk
lennertz
list of substances
m. b
main river(stream)
manual regulation
mass-analysed ion kinetic energy spectrometry
mechanical pitch control mechanism
mecometer
Mecromelania
Mikhaylovskiy
Name Shame
Nevski, Alexander
Nikolai Ivanovich Bukharin
non-radiative capture
outer door
PCZST
pistillum
pressation
pseudoresistance
pu'u
putrillo (philippines)
quackier
quartz watch with LED
re-investigations
rear fender
relay circuity
reliability apportionment
repeated folding
reserve-use ratio
responsibilities and interests of an enterprise
retrospective cohortstudy
Rhododendron shweliense
rhythm start or stop
road crossing design
sapheads
semi-automatic telephone switchboard
siknesse
simple indexing
siphonalia cassidariaeformis
skunk cabbage
source application
sprout inhibition
sruti box
stagnation pressure tube
static pressure regulator
substituted expenses
supersymmetrizations
svq
switcheroos
tetanine
time of fall
Tivissa
trajectory-measuring system
triangular ligament
twyer
umm ruwaba
uranium-bearing material
volume length mean diameter
water-softening agent
widgeon
wiring worker