氧氟化钼(III)

ACT III Here's the bag. 箱子拿来了。 Will he be OK, Dad? 他会没事吗,爸爸? I hope so. 希望没事。 That's it. 对啦。 That's the way. 就这样。 That's it. There. 很好,啊。 Oh,

发表于:2018-12-02 / 阅读(138) / 评论(0) 分类 2008年NPR美国国家公共电台二月

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(160) / 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(120) / 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(149) / 评论(0) 分类 口腔临床英语对话

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 科技之光

21. Never regret. If its good, its wonderful. If its bad, its experience. 21. 不要后悔。如果成功,那是最好;如若失败,也是一段经历。 22. Being busy and being productive are two different things. 22. 忙和高产是两码事。

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 励志英语

21.Being busy and being productive are two different things. 忙忙碌碌和工作高效是完全不同的两码事。 22.Being happy and being successful are two different things. 幸福和成功是完全不同的两码事。 23.We all have differen

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 励志英语

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(130) / 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(130) / 评论(0) 分类 2018年科学美国人1月

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(117) / 评论(0) 分类 英语博客 A cup of English

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(131) / 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(123) / 评论(0) 分类 英语单词荟萃

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(169) / 评论(0) 分类 2007年VOA标准英语(五月)

D Fish Ears Tell Fish Tales Fish have ears. Really. They're quite small and have no opening to the outside world carrying sound through the body. For the past seven years, Simon Thorrold, a university

发表于:2019-02-06 / 阅读(194) / 评论(0) 分类 实用英语

C McGill Comedy Club Important meeting today. Discussions on putting on Blazing Saddles.Union room 302, 3-4 pm. New members(both actors and non-actors, living and dead )are welcome. History Students'

发表于:2019-02-06 / 阅读(221) / 评论(0) 分类 实用英语

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(143) / 评论(0) 分类 英语博客 A cup of English

TAIYUAN, Jan. 9 (Xinhua) -- China successfully launched the Ziyuan III satellite Monday from the Taiyuan Satellite Launch Center in northern Shanxi province. The satellite, a high-resolution remote-sensing satellite for civilian use, was launched at

发表于:2019-02-11 / 阅读(92) / 评论(0) 分类 英语新闻

E HOW TO BOOK Booking opens for Beckett Shorts on 8 September. BY TELEPHPNE For credit card ( 信用卡 ) bookings. Calls are answered. BOX OFFICE 01789 295623 9am 8pm(Mon-Sat) 0541 541051 (24hours, 7

发表于:2019-02-18 / 阅读(191) / 评论(0) 分类 实用英语

D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(211) / 评论(0) 分类 实用英语

C I’m seventeen. I had worked as a box boy at a supermarket in Los Angeles. People came to the counter and you put things in their bags for them. And carried things to their cars. It was hard work.

发表于:2019-03-13 / 阅读(313) / 评论(0) 分类 实用英语
学英语单词
AADH
agglomeration strand
all-men
alstonidine
alveolar-capillary membrane
asleep
autophyte
b. trochanterica subcutanea
Bataysk
borne (le borne riviere)
Brookport
bull-terriers
busin
Camelus bactrianus
catie
Central Franconian
charter plane
co-curators
convective term
coparcenaries
coping stone
countercommercial
CPE (construction project evaluation programme)
CROS aid
cross-domain network manager session
cross-springers
crossed-field multiplier phototube
cycloperoxene
desync
diffraction chart
dissentiente
ditfurth
dolores vagi
durax paving
dust nebula
edvard griegs
epiphallus
Erceg
erosional sand dune
exerciseth
extinguisher loci
follicular theca
Frankliniella fusca
frequency of back-up
gimbal-mounted engine
groin head
high frequency titrator
Hpungan
huegelite
jumbo loan
jumping hours jumper cover
just a bit
lemon socialism
Ludwig's angle
manufacturing overhead ledger
marine insurance act
memory print
mesenterica tabes
micro-newton
Nanoo
nickel-based
number ratio
paper set lever
park-liker
periodic density pattern
personal life-saving appliance
physical system
port of recruit
power-off indicator
pre-performances
process control level
quick load change capacity
r-c filter
Rabi frequency
rail grinding car
reverse integration
rotary clippers
rutile powder
scheduled train number
sclerotic cell change
send direct
single-step process
sizing machinery
snorkel wake
soft clay
solar drive
spray type evaporator
static load coefficient
swiss gold-trading pool
teazeled
theoretical contribution
transistor servo preamplifier
trinitro cellulose
Tufē Ch'uk'ala
twig brush
tzeniut
Vamizi, I.
varicolored clay
Vestanite
WebBench
work-depth model
yttrium formate