氟化物应力

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

突破口语之独白(8):Remove Yourself from Stress远离压力 If you can't remove the stress, remove yourself. Slip away once in a while for some private time. These quiet moments may give you a fresh perspective on your problems. Avoid stressful people. Fo

发表于:2018-12-02 / 阅读(160) / 评论(0) 分类 2015年NPR美国国家公共电台1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(140) / 评论(0) 分类 科技之光

Pennsylvania farmer Tim Stark believes a reasonable amount of stress brings out his best qualities. From NPR News, this is Weekend Edition. I'm Liane Hansen. I believe in mystery. I believe in family. I believe in being who I am. I believe in the po

发表于:2018-12-19 / 阅读(170) / 评论(0) 分类 2007年NPR美国国家公共电台

BBC Learning English London Life Stress Jackie:Hello, I'm Jackie Dalton. What makes you feel stressed? Do you panic when you have to rush to be somewhere? Do you get irritated when the phone rings all the time? A noisy neighbour on a Sunday really s

发表于:2018-12-19 / 阅读(204) / 评论(0) 分类 伦敦生活

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(172) / 评论(0) 分类 口腔临床英语对话

From VOA Learning English, this is the Health Lifestyle report. It is back-to-school time in the United States, which for many is bittersweet. The bitter part is for saying goodbye to carefree, unscheduled summer days. The sweet part is saying hello

发表于:2019-01-03 / 阅读(159) / 评论(0) 分类 2017年VOA慢速英语(九)月

If you are feeling stressed out, you're not alone. This country is full of people who feel overwhelmed by too much to do and too little time to do it. Commentator Andrew Lam counts himself among the stressed of America and recently he found out that

发表于:2019-01-08 / 阅读(222) / 评论(0) 分类 2006年NPR美国国家公共电台

Dealing with Back-to-School Stress: Part 1 From VOA Learning English, this is the Health Lifestyle report. It is back-to-school time in the United States, which for many is bittersweet. The bitter part is for saying goodbye to carefree, unscheduled s

发表于:2019-01-12 / 阅读(133) / 评论(0) 分类 2015年VOA慢速英语(九)月

Dealing with Back-to-School Stress: Part 2 This is the second half of a two-part program. Dealing with Back-to-school Stress: Part 1 can be found in the Health Lifestyle section of this website. From VOA Learning English, this is the Health Lifestyle

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2015年VOA慢速英语(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(156) / 评论(0) 分类 VOA标准英语2010年(十)月

白领英语晨读-071 When Stress Strikes You 当你有压力时

发表于:2019-01-17 / 阅读(132) / 评论(0) 分类 白领英语晨读

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

SCIENCE IN THE NEWS - Stress: What It Can Do to Us, What We Can Do About It By Cynthia Kirk Broadcast: Tuesday, May 17, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm

发表于:2019-01-20 / 阅读(137) / 评论(0) 分类 科技之光

今天我们要学的词是stress。 Stress, 是压力、紧张的意思。Emotional stress, 是情绪紧张,mental stress, 是精神压力。I experienced a lot of stress before the tournament, 是说比赛开始前,我紧张极了。Yoga is a v

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 英语每日一词

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(142) / 评论(0) 分类 英语单词荟萃

By Carol Pearson Washington 10 October 2007 If you have had a heart attack, doctors recommend a good diet and regular exercise in order to prevent another one. But even if you follow your doctor's advice, a stressful job may mean more heart problems

发表于:2019-02-04 / 阅读(128) / 评论(0) 分类 2007年VOA常速英语(十月)

How to Declutter Your Life and Reduce Stress Excessive clutter is often a symptom and a cause of stress and can affect every facet of your life, from the time it takes you to do things to your finances and your overall enjoyment of life. Clutter can

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 阅读空间

Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal

发表于:2019-02-18 / 阅读(180) / 评论(0) 分类 阅读空间
学英语单词
abeche (abeshr)
Acetylaminobenzene
Ainsliaea bonatii
aleatory contract
AND/OR expression
animal spirit
antidiarrheal
as sure as nails
at the time of
autohexaploid
avoidance of responsibility
b'not mitzvah
back pressure trubine
ballethnic
black pitch
center of rudder force
centrust
challow
changeable stain
chap of rectum
choke coil
chromate primer
civic journalism
contests
crimsoning
Cycas ferruginea
data interrupt
data-free way
DATEM
diethyl-disulfur-dicarbothionate
disobeyed
dumontite
edger machine
elucidatory
experimental phytopathology
fail-safed
gemeinde
genus Exaeretodon
give someone walking walking ticket
glaze over
gold leaf
Gudīyo
have no choice but to do
Hedyotis exserta
helix pomatias
hemorrhagically
hereditary progressive nephritis
impurities content of geothermal fluid
incidental motion
inter-industry trade
interdendritic shrinkage
intune
ionophose
isna
kreophagy
law of indestructibility of matter
leading - edge technology
lifting the canopy
liftoff
logistic center
majora
meandrous
melvin calvins
nee-naw
new context
O level economics
one-dimensional current
osmostat
phenylsulfamides
pidginize
pinched space
political inclination
quadruple meter
qualitywise
ramfis
Rathke's pouch tumor
ray grasses
reach for
reduced partial width
rumourmongers
saunce-pere
shoelaced
shoulder line
silverthorne
sleeter
SOCKS server
species characteristic
spherical separator
talapoin
talking drummers
tansy
temperature-humidity cycling
thesine
to da
vacatin
visual motion study
water efficiency of canal system
with a speed of
work-exchange team
worthine
x-designers
zero-plane displacement