氢氟化钾

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(155) / 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(119) / 评论(0) 分类 科技之光

It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. They can actually give you a disease and pee on you at the same time. Adding insult to injury if you will. Jerod Denton, a pharmacologist at Vanderbilt U

发表于:2018-12-24 / 阅读(112) / 评论(0) 分类 2016年Scientific American(十二)月

Fruit Vendor: Wait! Don't go just yet. These bananas are pretty cheap--only 35NT for this bunch. Robert: Now that's more like it! Bananas have lots of potassium, too! Fruit Vendor: They're also good for your digestion! Would you like some kiwis, too?

发表于:2018-12-25 / 阅读(82) / 评论(0) 分类 Eztalk美语会话

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(143) / 评论(0) 分类 口腔临床英语对话

Darwinian medicine - an approach to the treatment of infective diseases which takes account of the co-evolution between the host and its parasite. Deciduous - from the Latin

发表于:2019-01-03 / 阅读(96) / 评论(0) 分类 医务英语

青霉素类 苯唑西林钠 Oxacillin Sodium 新青霉素Ⅱ,苯唑青霉素钠,苯甲异噁唑青霉素 奈夫西林 Nafcillin 新青霉素Ⅲ,乙氧萘青霉素 匹美西林 Pivmecillinam 氮卓

发表于:2019-01-03 / 阅读(124) / 评论(0) 分类 医务英语

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(124) / 评论(0) 分类 VOA标准英语2010年(十)月

Dietary Changes Help Lower Blood Pressure Sunday, April 7, is World Health Day, and this years theme is high blood pressure, also known as hypertension. The World Health Organization has recommended reducing salt or sodium intake to lower the risk of

发表于:2019-01-14 / 阅读(136) / 评论(0) 分类 VOA标准英语2013年(四月)

Tsinghua University released the initial investigation results provided by Haidian Public Security Bureau a few days ago, which revealed that a hydrogen cylinder exploded accidentally, and the whole lab then caught fire. Meng Xiangjian died as the re

发表于:2019-01-19 / 阅读(164) / 评论(0) 分类 2015CRI中国国际广播电台

Locals in Uganda are lauding a construction project financed by China which is creating the East African country's largest hydroelectric power plant. The 600-megawatt (MW) Karuma Hydroelectric Power Plant is located at the mid-western district of Kir

发表于:2019-01-19 / 阅读(194) / 评论(0) 分类 2018CRI中国国际广播电台

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(128) / 评论(0) 分类 2018年科学美国人1月

Under normal circumstances, each of your brain cells allows various substances, such as sodium, calcium and potassium to permeate its outer cell membrane. Once inside the brain cell, these substances help give the cell stimulus it needs to function p

发表于:2019-01-26 / 阅读(94) / 评论(0) 分类 英语听力文摘 English Digest

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(126) / 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(119) / 评论(0) 分类 英语单词荟萃

今天分享的是柠檬水的妙用。 重点词汇 immune system 免疫系统; potassium n.化钾; freshen vt.使新鲜; 使清爽,使有精神,把(自己)盥洗一番; 1. Gives your immune system a boost. 2. Excellent source of potassium.

发表于:2019-02-02 / 阅读(136) / 评论(0) 分类 卡卡课堂早餐英语

Sore heads the morning after the night before could become a thing of the past thanks to a 'revolutionary' new drink - designed to prevent HANGOVERS. 一种专为防止宿醉设计的革命性新饮品有望令宿醉第二天早上醒来后的头痛成

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 阅读空间

Eating three bananas cuts your risk of a stroke, scientists say. A banana for breakfast, one for lunch and one in the evening would provide enough potassium to reduce the chances of suffering a blood clot on the brain by around 21 per cent. 科学家称

发表于:2019-02-06 / 阅读(169) / 评论(0) 分类 阅读空间

生活英语:健康饮食(双语)

发表于:2019-02-07 / 阅读(118) / 评论(0) 分类 阅读空间

Although our cell was large, we obviously had used up most of the oxygen it contained. 虽然牢房还算宽大,但很明白,我们已经消耗掉了里面大部分氧气。 In essence, over an hour's time a single human being consumes all the ox

发表于:2019-02-17 / 阅读(115) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
accepting state
amyloidosis of bladder
aphanocapsa elachista
barbier
berilliums
Bjerregård
carbon audits
Cedroxylon
chalcis flies
civilizable
Cobar
completion of calls to busy subscriber
cool cap
corner frequency
coul-staff
cupressoideae cupressineae
CY container
de-commission
defluidized region
Desktop Compositing Engine
diecasting machine
differential heat of absorption
discriminating cutout
diverticles
dock glass
dungna (duna dzong)
erlosamide
extended nozzle
false advertisement
fibrillated film product
first-timer
Fischer-Tropsch hydrocarbons
flagrate
GC-MS-COM
genus Acroclinium
go-go dancer
gribbs
half tone response
hot set
humectating
I-HMR
IFCA
internalistically
interrod spacing
Jasionówka
Kashub
ketogenesis
lifting injector
lobodont
location notch
logarithmic mean temperature difference
lubricant plug
Magnac-Laval
market research study
Melv
mesomorphous phase
Miphiboseth
monolithic gate array
Nehru suit
net exports
niggerisms
niggerlike
Nykφbing
Obbnäs
out-Herod
over-deck shipment
overfraught
partial definition
peach fruit borer
pendant earrings
privileged module
pulmonary protosystolic ejection sound
quality of finish
quiet iritis
radioactive waste liquid
railway operation
room for manoeuvre
safety estimation
saguinus leucopus
sea-scape
serum factor
Servance
soill
spheniscuss
spheric reproducing stylus tip
starch granule
steeping press
sylv
Sylvester III
system relevance response
Tarasovskiy Rayon
teat dipping
trace controller process
trichotomist
trilobitomorph
ungentle
uniclinal shifting
variable-thrust unit
vibrating scrubber
webbing moth
well-pointed
whisker diode