[化] 甲磺酰氟

Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find

发表于:2018-11-30 / 阅读(291) / 评论(0) 分类 生活英语情景口语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(234) / 评论(0) 分类 Scientific American(十二)月

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:2018-12-07 / 阅读(183) / 评论(0) 分类 新东方英语·中学版(2007年7-8月)

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(177) / 评论(0) 分类 科技之光

New Zealand dairy firm Fonterra has apologized for its tainted milk powder scandal. Batches of the whey protein from the dairy giant were allegedly found containing toxic bacteria. Su Yi has more. Fonterra CEO Theo Spierings says Fonterra regrets any

发表于:2018-12-19 / 阅读(155) / 评论(0) 分类 世界各地新闻集锦

The government of New Zealand has launched an official probe into dairy exporter Fonterra in connection with its tainted dairy scandal in China. New Zealand government officials have been sent to Fonterra's offices in Auckland and Melbourne to invest

发表于:2018-12-19 / 阅读(183) / 评论(0) 分类 世界各地新闻集锦

Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗? If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的,我想蛀了也没有关

发表于:2018-12-27 / 阅读(205) / 评论(0) 分类 口腔临床英语对话

This is Whats Trending Today. Summer does not officially begin in the United States and other countries in Earths Northern Hemisphere for more than a week. Yet you have probably heard the song of the summer of 2017. That is Luis Fonsis Despacito. Fon

发表于:2019-01-02 / 阅读(197) / 评论(0) 分类 2017年VOA慢速英语(六)月

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-10 / 阅读(583) / 评论(0) 分类 英乐时空

U.S. Vice President Joe Biden says he is withholding judgment on Iran's presidential election, as protests continue in Tehran over election results showing a landslide re-election victory for President Mahmoud Ahmadinejad. Vice President Joe Biden,

发表于:2019-01-13 / 阅读(213) / 评论(0) 分类 VOA标准英语2009年(六月)

By Sean Maroney Islamabad 28 September 2009 The head coordinator for the U.N. Humanitarian Affairs office in Pakistan says his agency is ready to handle what is expected to be a large number of families fleeing the South Waziristan tribal region as

发表于:2019-01-13 / 阅读(226) / 评论(0) 分类 VOA标准英语2009年(九月)

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2010年(十)月

BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag

发表于:2019-01-16 / 阅读(249) / 评论(0) 分类 Weekender

Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错,这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been

发表于:2019-01-20 / 阅读(189) / 评论(0) 分类 2018年科学美国人1月

The milk company, Fonterra, is a co-operative of farmers. The dairy farmers who send their milk to Fonterra for processing, all own the company. Big farms have more shares than small farms. Two years ago, Fonterra introduced the idea of a Farmers Tra

发表于:2019-01-27 / 阅读(175) / 评论(0) 分类 新西兰英语

SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 科技之光

今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟

发表于:2019-02-02 / 阅读(182) / 评论(0) 分类 英语单词荟萃

ROME, May 2 (Xinhua) -- Juventus goalkeeper Gigi Buffon made an easy mistake to gift 10-man Lecce a 1-1 draw on Wednesday as the Turin side saw their Serie A lead over AC Milan cut to a single point with two games to go. Claudio Marchisio's early hea

发表于:2019-02-06 / 阅读(237) / 评论(0) 分类 英语新闻

ROME, Oct. 10 (Xinhua) -- Italy and Juventus goalkeeper Gianluigi Buffon said on Sunday that he expects to return in January from his back injury. I think by January I should be ready to go again, he said. Buffon was replaced after the first half of

发表于:2019-02-06 / 阅读(217) / 评论(0) 分类 英语新闻

By Scott Bobb Lisbon 10 December 2007 The Africa-European Union summit ended Sunday in Portugal with agreement on many global challenges but with differences on other key issues. Correspondent Scott Bobb has this report from Lisbon. European and Afri

发表于:2019-02-07 / 阅读(230) / 评论(0) 分类 VOA常速英语2007年(十二月)
学英语单词
abdominal gill
aleurites fordiis
Alexandrines
amplification factor
anticollaborationists
antioxidant for cracked gasoline
average-height of stand
baucus
be gooseberry
benefit concert
benzothiazole
bigger bang for a buck
Biomira
blanket ballot
Blasius'duct
bronwyn
brushbacks
C-hand
Calasiao
calimochos
cenation
centrifugal turbo-compressor
Chitipa R.
cinnamamide
clock vines
Coniophoraceae
continuous seed dresser
control electric machine
conversance
corruptionless
cupromakovickyite
current multiplication type transistor
dargah
depilation by lime
directive reception
Dracaenaceae
dry matter
edent
Enping
exsorption
filter type
find one's tongue
garden city theory
go the vole
gravity separator
grid
griddly
gyrosigma distortum
haematocyte
Haggardian
heavy meson
HKEx Information Services Limited
in employment
intermittent-movement
Jaya Peak
keizais
L.F.wired distribution system
leukoplakia, leukoplasia
liquid crystal box
literal address
lookalike
methyl vinyl ether
microcosmography
Millettia leptobotrya
nenias
nigger tits
niton (nt)
non reversing motor
outener
oxygen status
pantalette
paou
paradasynus spinosus
paronychomycosis
Peckinpahesque
pneumatic hand rivetter
potamology(rheology)
prefigurations
procerity
purpurogallin
pushbutton dialing pad
quick-release valve spring seat
range (in programming language)
ribas
Salimba
semiconductor optical shutter
sodium methylarsinate
spectral
ST_thinking-about-the-future_predicting-things-and-intuition
Stirling numbers
subscriber's main station
swamp rabbit
to allow sb sth
topside waterline
tudies
twentya
uvae
Vatne
vhfs
Volcker
wahaula
wet-cured