[建] 氟化锰(III)

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(360) / 评论(0) 分类 Scientific American(十二)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(323) / 评论(0) 分类 科技之光

It is a pity that... 遗憾的是可怜的是例句: It is a pity that my parents can't come with me and see such a beautiful scenery. 遗憾的是我父母没有和我一起来,也看不到这样美丽的景色。 It was a pity that you missed t

发表于:2018-12-26 / 阅读(280) / 评论(0) 分类 跟艾米莉一起学口语

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(344) / 评论(0) 分类 口腔临床英语对话

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(334) / 评论(0) 分类 VOA标准英语2010年(十)月

Food Manga: Where Culture, Conflict And Cooking All Collide STEVE INSKEEP, HOST: And I'm Steve Inskeep with one sure way to learn something about an overseas culture - learn about its food. This installment of Hidden Kitchens takes us to Japan. In pa

发表于:2019-01-17 / 阅读(296) / 评论(0) 分类 2016年NPR美国国家公共电台8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(329) / 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(303) / 评论(0) 分类 科技之光

SANTO DOMINGO, Jan. 11 (Xinhua) -- The Dominican Republic and Haiti Wednesday launched a joint plan aimed at eliminating cholera, which has claimed more than 7,000 lives in both countries since October 2010. The efforts were backed by the World Healt

发表于:2019-01-31 / 阅读(320) / 评论(0) 分类 英语新闻

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(260) / 评论(0) 分类 英语单词荟萃

Todd: Ah, Kawabe, (Yes, Sir) You are Japanese, so can you explain manga? And what is Manga? And why is it so popular? Kawabe: OK, it's a diff...it's easy, but difficult question. (Yeah). OK, manga is the, is the drawing with the story. Todd: Uh-huh!

发表于:2019-02-03 / 阅读(268) / 评论(0) 分类 原版英语对话1000个

Ruth: So, Tres, you read a lot of comics. Don't you find them really violent in Japan? Tres: Yeah, there are violent comic books. There are sexy comic books. There are comic books I wouldn't show to my grandmother. Ruth: But compared to the comic boo

发表于:2019-02-03 / 阅读(245) / 评论(0) 分类 原版英语对话1000个

Joel: So, anyway, you talked about city hunter. That's a Japanese comic? OK, tell me about that? Tres: I really don't remember much. It was some guy that was wanted, I guess for murder, I don't think he really did it. I think. I'm not sure. But, yeah

发表于:2019-02-03 / 阅读(327) / 评论(0) 分类 原版英语对话1000个

Todd: Um , Kawabe you said you used to be a bike delivery person. Kawabe: Yes, I was. It was not very long but I was doing that for like 6 months. Todd: Do you mean push bike or motorcycle? Kawabe: Push bike? What is a push bike? Todd: Push bike is l

发表于:2019-02-03 / 阅读(335) / 评论(0) 分类 原版英语对话1000个

Todd: Ah, Kawabe, (Yes, Sir) You are Japanese, so can you explain manga? And what is Manga? And why is it so popular? Kawabe: OK, it's a diff...it's easy, but difficult question. (Yeah). OK, manga is the, is the drawing with the story. Todd: Uh-huh!

发表于:2019-02-17 / 阅读(246) / 评论(0) 分类 英语访谈对话

Todd: Um , Kawabe you said you used to be a bike delivery person. 托德:川边,你说过你曾经做过骑单车送货的工作。 Kawabe: Yes, I was. It was not very long but I was doing that for like 6 months. 川边:是啊,我做过。我做

发表于:2019-02-20 / 阅读(279) / 评论(0) 分类 实战口语情景对话

Todd: Ah, Kawabe, (Yes, Sir) You are Japanese, so can you explain manga? And what is Manga? And why is it so popular? 托德:川边,(是,先生)你是日本人,你能说明一下漫画吗?什么是漫画?它为什么这么受欢迎?

发表于:2019-02-20 / 阅读(256) / 评论(0) 分类 实战口语情景对话

Todd: Um , Kawabe you said you used to be a bike delivery person. Kawabe: Yes, I was. It was not very long but I was doing that for like 6 months. Todd: Do you mean push bike or motorcycle? Kawabe: Push bike? What is a push bike? Todd: Push bike is l

发表于:2019-02-25 / 阅读(408) / 评论(0) 分类 英语访谈对话

01. I am a big fan of Hayao Miyazaki. 我是宫崎骏的超级粉丝。 02. I think his animated films are the best. 我觉得他拍摄的动画片最棒。 03. I want to buy a DVD collection of all Miyazaki's works. 我想买一套收集了宫崎骏所

发表于:2019-02-27 / 阅读(386) / 评论(0) 分类 英语口语最炫潮流

Todd: Ah, Kawabe, (Yes, Sir) You are Japanese, so can you explain manga? And what is Manga? And why is it so popular? Kawabe: OK, it's a diff...it's easy, but difficult question. (Yeah). OK, manga is the, is the drawing with the story. Todd: Uh-huh!

发表于:2019-03-06 / 阅读(312) / 评论(0) 分类 英语趣味课堂
学英语单词
a-c plane
abbreviation document
abelam
abolition
absolute insolvency
absorption zone
academic support center
Agde, C.d'
analytical method
Aranzueque
arsenochromate
Arvidsjaur
azimuth deflection yoke
Ballinure
bibeveled drill
blots up
bluetongue
Borges, Jorge Luis
coefficient of luminous intensity (of a retroreflector)
computer storage
conebills
Corner-Allen test
damping gyroscope
damping procedure
data glut
decoration with liquid gold
deep-frieds
echo-bearing
energy-intensive diffusion process
exchange member
federal security services
flickers
flitter-mice
foreigner
foretopsails
goose-beaked whale
Hamburg synchrotron
hectopascals
hedge mustard oil
heterogenictiy
high reliability components
hoisting box
Hydroxybrasilin
idiomere
Indie-kids
initial reject
Joseph, Saint
kindergardner
Lectro-pad
liberal style
licits
lindeman's ratio
logologist
main power jet
makes peace
marianum
Medici Family
menteur
Methrazone
miniter
nativity plays
nitracline
no responsibility
non-barbiturate
octal constant
orthoschist
parent cyst
phospholipide
pinion
pleasure-seeking
port selector
postpositives
preselector valve
pulse setting controller
reprioritizing
respond to the helm
rockcress
Rogätz
row-equivalence
russel-saunders coupling
S-View
SDPC
seriate
shoppiest
single actual word
single generation strain
speak to the point
swings of growth rate
switched attenuator
TCCF
telisa
tetronate
threaders
torka
transversal filter
under our belt
universal-milling attachment
unsustainable evidence
vigintillionths
viriola corrugata
zoalene
zygostat