氟化氧钒(IV)

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(172) / 评论(0) 分类 Scientific American(十二)月

Unit 2 Text B Ad---advertisement---advertising---advetiser Attraction---attractive Designer---fashion designer post---mail produce persuade sb. To do sth. persuasion Leisure time Act---active---activi

发表于:2018-12-04 / 阅读(194) / 评论(0) 分类 自考英语(一)78讲

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(134) / 评论(0) 分类 科技之光

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(162) / 评论(0) 分类 口腔临床英语对话

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:2018-12-30 / 阅读(149) / 评论(0) 分类 单词解析速记

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发表于:2018-12-31 / 阅读(145) / 评论(0) 分类 粉红猪小妹第三季

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发表于:2018-12-31 / 阅读(145) / 评论(0) 分类 粉红猪小妹第三季

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:2019-01-08 / 阅读(177) / 评论(0) 分类 英乐时空

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(534) / 评论(0) 分类 英乐时空

音乐咖啡厅:Ylamproductions - Love Aviation 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦想是当

发表于:2019-01-11 / 阅读(238) / 评论(0) 分类 音乐咖啡厅

Whigs See a Chance to Defeat President Van Buren - The Making of a Nation No. 50: Martin Van Buren Part 2 From VOA Learning English, welcome to the Making of a Nation, our weekly program of American history for people learning American English. Im St

发表于:2019-01-12 / 阅读(218) / 评论(0) 分类 2013年VOA慢速英语(十二)月

By Dan Robinson Washington 27 July 2006 An agreement under which the United States would sell nuclear technology and fuel to India took a major step forward Wednesday with approval of legislation by the House of Representatives. The bill is one of s

发表于:2019-01-12 / 阅读(159) / 评论(0) 分类 2006年VOA标准英语(七月)

By Anya Ardayeva Moscow 24 April 2006 watch Chernobyl Anniversary On April 26, 1986, a massive explosion tore through Reactor Number Four at the Chernobyl Nuclear Power Plant. It was the most devastat

发表于:2019-01-13 / 阅读(200) / 评论(0) 分类 2006年VOA标准英语(四月)

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(144) / 评论(0) 分类 VOA标准英语2010年(十)月

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(139) / 评论(0) 分类 2018年科学美国人1月

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(140) / 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(132) / 评论(0) 分类 英语单词荟萃

音乐咖啡厅:Ylamproductions - Life, Love, and Faith 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦

发表于:2019-02-06 / 阅读(199) / 评论(0) 分类 音乐咖啡厅

1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱

发表于:2019-02-07 / 阅读(311) / 评论(0) 分类 OMG美语

音乐咖啡厅:Ylamproductions - My Heartbeat 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦想是当

发表于:2019-02-08 / 阅读(377) / 评论(0) 分类 音乐咖啡厅
学英语单词
abune yosef
accounting responsibility
acrylic gel medium
Allen cone
Amoeba meleagridis
Amomum kwangsiense
analytical density
antipneumococcic serum unit
aquafeeds
aroun
atractylis ovata
aurofusarin
bacillus oedematis aerobicus
bbc-tv
beam wireless
billfishes
blurring mapping
bond interest expense
Brigantes
bums
carbon black tint strength
cheaste
clamp lug
coast fog
cobbans
code storage circuit
codingrelay
computer controlled fermenter
constitution states
coordinate instrumentation
corn mayweed
daily load
decommissions
departure west
die size
double squirrel cage rotor
drain hat
DYOFDW
Emrani
falciform ligaments
fission isomer
Fufang Dachengqi Tang
Gorgaal
gretas
hachuring
haretons
high carbon steel wearing plate
Homoroade
honor
horizontal flow cooler
hymenalia rufipennis
impeach sb with a cime
jeweller's gold
keep one's mind on
kelp meal
knifefishes
Kubar
lampstand
latent valency
lifemap
loss from inventory
march fracture
medical audit
metal oxide semiconductor
Methymazol
muntz metal
Na Thawi
non-enzymatic browning
normal quantities
osmotic resistance
overdiluting
paramere
photoacoustic
policy of assurance
polyanion
pomophobic
queensboro bridges
ratio of height to diameter
real estate investment
reot
Salsola sukaczevii
screen holder
self actuation
self-trimmer
serotonergic neuron
settling medium
signal box for electrical interlocking
sphingphospholipid
suit-and-hood unit
tear-gassed
thenal
thin layer charging
Torrao
Tunaima, L.
tycho
unrequited exports
urbanyl
vertical exaggeration
vr model
waterlocks
we are one
zone pen