水溶性酸和碱

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(206) / 评论(0) 分类 (科普英语)Earth and Sky

Some people like to make their cocoa by boiling the nibs in water. 有些人喜欢用水来煮可可粒, When this is done, a layer of cocoa-butter is formed on the top of the cocoa. 这样一来, 可可的上面就会形成一层可可脂。 But mos

发表于:2018-12-18 / 阅读(60) / 评论(0) 分类 英国学生科学读本

1. dissolution /ˌdɪsəˈlu:ʃən/ -- act of loosening or breaking up into component parts; disintegration; ruin; destruction When President Lincoln took office, the Union faced imminent dissolution. 当林肯总统就职时,北军就面临着迫切

发表于:2018-12-18 / 阅读(78) / 评论(0) 分类 突破英文词汇

Voice 1 Thank you for joining us for todays Spotlight. Im Ruby Jones. Voice 2 And Im Joshua Leo. Voice 1 Some people believe that the number thirteen brings bad luck. But instead, today, the number thirteen is going to bring you health! Voice 2 On to

发表于:2018-12-19 / 阅读(61) / 评论(0) 分类 环球英语 Spotlight

alkali碱 alloy结合体 aluminum铝 ajar半开的 bleach漂白 catalyst催化剂 compound化合物 crystal水晶 combustible易燃的 distill提炼 electrician电工 erase抹掉 flask烧瓶 fuse融合 hydrogen氢气 insulate隔热 intrinsic内在的

发表于:2018-12-30 / 阅读(90) / 评论(0) 分类 80天攻克雅思核心词汇

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2019-01-01 / 阅读(60) / 评论(0) 分类 化学秘密.Chemical.Secret

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(247) / 评论(0) 分类 知性英语

Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some

发表于:2019-01-02 / 阅读(234) / 评论(0) 分类 CRI实用英语课堂

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 火星生命

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(91) / 评论(0) 分类 医务英语

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(十二)月

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(166) / 评论(0) 分类 VOA常速英语2007年(十一月)

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 In the last fifteen years, farmers

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 环球英语 Spotlight

文本: There are 150 tonnes of fish in this one haul. It used to take a fishing vessel one whole year to catch this many fish. These are mostly yellow fin tuna, plus some skip jack. As they're slower breeders than skip jack, many yellow fin are ca

发表于:2019-01-21 / 阅读(81) / 评论(0) 分类 跟着英剧练发音

Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri

发表于:2019-02-15 / 阅读(56) / 评论(0) 分类 阅读空间

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

发表于:2019-02-17 / 阅读(109) / 评论(0) 分类 阅读空间

Oxygen itself is not combustible; it merely facilitates the combus tion of other things. (氧本身是不可燃的,它只是帮助别的东西燃烧。 This is just as well, for if oxygen were corn bustible, each time you lit a match all the air

发表于:2019-02-25 / 阅读(77) / 评论(0) 分类 万物简史

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

1.tomato juice 番茄汁 Tomato juice contains the antioxidant lycopene.Scientific studies have suggested that lycopene consumption may protect against prostate cancer, breast cancer, atherosclerosis, and coronary artery disease.Epidemiological resea

发表于:2019-03-13 / 阅读(1733) / 评论(0) 分类 英语口语
学英语单词
acid infraprotein
activity execution
acylated
alkaline-earth metal compound
all dressed up and no place to go
anaphase lag
anti-hydrogen embrittlement superalloy
antiprofessional
antiquitie
apportioned pro rata
arctium lappas
betrimming
Braddon, Mary Elizabeth
brown prawn
burg
buy the refusal of something
cardiopulmonary reflex
chartered companies
Chernatitsa
chloroperlid
coaxial dipole antenna
community psychiatry
constructed variable
cross-posts
defriends
distoceptor
echo radio
Elléloyé
Europoort
extremum control
fastpacked
financials
finishing of wall
frog's egg
fructus industriales
frugivorous
geophysical anomaly
glucuronyltransferase
Hanzi specimen
head-type
heat-insulating concrete
high tracer
homogenetic association
hydrophobophobia
insectivorous plant
interim measure
interradial region
IPCF
judah-ites
legal effects
Linguatula
mechanical pantograph
mimosaceous
minifloppy disk drive
navigation safety communication
nitrogen solution boom
noise characteristic
novickas
Nové Hrady
Oldenstadt
operationalizations
order carnivoras
oxygen-ion vacancy
PentamethoniumBromide
portuando
pseudocercospora pachyrrhizi
punched square nut
regine
rehearse
reinforcing and reducing in acupuncture therapy
reticunassa festiva
sabre-toothed cat/tiger
scinti-scanner
scopeboard
sebiolith
self-supply
sets in
shelter half
signal balloon
Silene jenisseensis Willd
singular
social talent science
socioscientific
sodium pentasulfide
spectacularized
strong fiber
stubing
subpower range
subsistence-level
tape music
teeth tartar
THIOFOSYL
threep
tropical submergence
tuning transformer
vacuum desiccators
viola nagasawae pricei
wagon stock
waveform synthesizer
weight measures
womble
yang feldman equation