氟化物腐蚀剂

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(180) / 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(139) / 评论(0) 分类 科技之光

赖世雄旅游观光英语通教你学会观光旅游的各种对话、句子。 An Art Purchase 购买艺术品 Kathy and Evan visit a local art gallery near Kings New Square. 凯西和艾凡参观了国王新广场附近的一家当地美术馆。

发表于:2018-12-09 / 阅读(323) / 评论(0) 分类 赖世雄旅游观光英语通

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(171) / 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(155) / 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(144) / 评论(0) 分类 2018年科学美国人1月

I HAVE seen a great many houses in my time, little and big, new and old, built of stone and of wood, but of one house I have kept a very vivid memory. It was, properly speaking, rather a cottage than a house a tiny cottage of one story, with three wi

发表于:2019-01-23 / 阅读(158) / 评论(0) 分类 英文短篇小说

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(146) / 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(141) / 评论(0) 分类 英语单词荟萃

Drink-drivers and repeat traffic offenders in Thailand could be sent to work in hospital morgues under a new plan by the authorities to try to put a stop to carnage on the countrys roads. 为减少致命交通事故,泰国政府出台新计划,拟派

发表于:2019-02-13 / 阅读(144) / 评论(0) 分类 阅读空间
学英语单词
achenbach
acoustic reflectivity
allodimer
altricious
anisopodid
anti-freezing
audit of profit distribution
Audouin's microsporon
Ban Pak Kham
bass flute
beat the wind
bottle-nose whale oil
canonical products region
Canton Airport
come again
configuration control review board
continental platform
convergence forward pruning
cytogenics
data-ink
dennis gabors
disorganiser
Dukhovshchinskaya Vozv.
earth core
Erytromycin
fibrolipoangioma
filing unit
fixed base simulator
functional form
gear rougher
go by aeroplane
graveyard shifts
grip of concrete
halftone image
hemiblocks
hereditary xanthinuria
herpes gladiatorum
hewn to
hierarchy of operations
i-blent
inquietly
Kanda-misaki
land tax
large-diameter member
Ligularia kojimae
limited attention
litchi sickness
lumicolchiceine
Maydl's operation
Mikiko
milk influence
milkey
molecular biological
mulsums
narcin'
nephrine
Newbiggin-by-the-Sea
nicotidin
Nikolo-Makarovo
ocean dredging
order of zero
Perugorria
plate buffer
Poissy
pongos
popodoms
populuss
precision stereoplotter
Pseudo-Willemite
pull wires
quadrant with two arcs
raymakers
rectus muscle
reperuse
rib weave
rolling car
rostrated
run-round
second induction principle
self-aligned offset
Semri
service assurance
sliding mould-type press
snarling up
squamous bone
SSE (safe shutdown earthquake)
stationary potential
streptcoccus epidemicus
surf ski
systems science
task manager
temperature reinforcement
the Laffer Curve
triangular tooth log-periodic antenna
trypsinogens
unlined canal
unpotholed
Verneuk Pan
Welton
Wenckebach's atrioventricular block
Yankeeize
Zef