[网络] 聚氟乙烯

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

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-04 / 阅读(221) / 评论(0) 分类 冀教版高中英语必修四

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-04 / 阅读(353) / 评论(0) 分类 冀教版高中英语必修三

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

Indonesian President Joko Widodo is facing a social media campaign as he prepares to seek re-election next year. The campaign has criticized him for failing to show enough sympathy to Islamic interests and the rising prices of household goods. The mo

发表于:2018-12-08 / 阅读(120) / 评论(0) 分类 2018年VOA慢速英语(九)月

Whats in a name? When commentator Taunya English got married, she found it wasnt so easy to adjust to a new one or the new identity that went along with it. Lately, when someone asks my name, I hesitate just for a second. My brain rifles through its

发表于:2018-12-17 / 阅读(199) / 评论(0) 分类 2006年NPR美国国家公共电台

BBC interviewer: It's probably true to say that women have been affected more than men by recent changes in the way we actually live. Over a hundred years ago people began to question whether men were

发表于:2018-12-26 / 阅读(168) / 评论(0) 分类 中级英语听力

Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 英语时差8,16

BBC interviewer: It's probably true to say that women have been affected more than men by recent changes in the way we actually live. Over a hundred years ago people began to question whether men were really so much wiser, stronger, altogether more s

发表于:2018-12-27 / 阅读(183) / 评论(0) 分类 北外英语中级听力

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

7.It is a wise father that knows his own child , but today a man can boost his paternal (fatherly) wisdom---or at least confirm that hes the kids dad. 【分析】并列复合句。由but连接的两个并列分句。第一个分句是强调句,强调

发表于:2018-12-30 / 阅读(121) / 评论(0) 分类 考研英语长难句讲解

8. More than 60,000 people have purchased the PTKs since they first became available without prescriptions last year, according to Doug Fogg, chief operating officer of Identigene, which makes the over-the-counter kits. 【分析】复合句。句子主

发表于:2018-12-30 / 阅读(119) / 评论(0) 分类 考研英语长难句讲解

Bundespraesidentenstichwahlwiederholungsverschiebung. It has a ring to it, doesnt it? Try it out for yourself: Bundespraesidentenstichwahlwiederholungsverschiebung. To an English speaker, it may seem like a meaningless, even endless assortment of let

发表于:2019-01-03 / 阅读(168) / 评论(0) 分类 英文语法词汇

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

Hi, everybody. This Father's Day weekend, I'd like to spend a couple minutes talking about what's sometimes my hardest, but always my most rewarding job being a dad. I grew up without my father around. He left when I was two years old, and even thoug

发表于:2019-01-18 / 阅读(149) / 评论(0) 分类 美国总统演讲视频

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 - 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

U.S. Vice President Joe Biden is urging Iraqi leaders to settle their political differences with the country's Sunni Muslim vice president facing charges that he plotted to kill other government officials. The White House says Biden telephoned Iraqi

发表于:2019-02-20 / 阅读(155) / 评论(0) 分类 英语新闻

obsession n.迷住, 困扰 obstruct v.阻隔, 阻塞, 遮断(道路、通道等) n.阻碍物, 障碍物 opt vi.选择 optimum n.最适宜 adj.最适宜的 option n.选项, 选择权, /经/买卖的特权

发表于:2019-02-25 / 阅读(227) / 评论(0) 分类 考研英语
学英语单词
analytical reagent
apparent free space
Arenas, Pta.
aromatic sulfinic acid
asanas
astacuras
bacterial M-102 strain
breechblockstop
candied citrus peels
chauf
claim-jumper
cofferdam
compensating piston
coralskipper
core meltdown
crossbar automatic exchange system
crystal lattice
data switch equipment
Deutschneudorf
discontinuous condition
dozed
endothelin-2
external reset
flip horizintal
flyover country
forward reverse resistance
fusionlike
fuzzy economic game
gas inclusion
German-like
guilty as sin
handtool
hard macro
Heywood, Jasper
influxes
input beam
iridovirus
jig-saw puzzle of continents
joint marginal distribution
Kelsall
late distortion
letter-press
lightwood-albright(syndrome)
link ball
Livistona cochinchinensis
lossless compression
low-theory
LVPSP
main engine stuffing box lubricating oil dirty tank
manual telephone exchanging system
materials chemistry
matriarchies
mispurposes
mononucleotides
multibiade
non-combustion method
nutritionist
oestrous
ofoegbu
operational test for automatic sprinkler system
owner's equity statements
oxidized petroleum wax
pan-fry
pastorlike
paving-stone
penirolol
petroleum derivative
possibilty
predominant dampness causing weak yang
preticketed
primary colours
progressive aspects
range-only radar
ratio of runoff
resorcinol phthalein
return-beam vidicon camera
rues
Russiella
seminationsowing
shaft horsepower (shp)
shopbot
sinopontius punctatus
sinusotomies
spiral crisscrossed fiber
spun tussah cloque
squammer
standard arrival
Taly
telephone frequency repeater
three-legged races
trolley sprinkling machine
twin target magnetron sputtering
Udinese
umbrella cloth
upper gudgeon
v. vertebralis
vegetabe marrow
vibrissal
windrow turner
WLG
WLRG
year end audit