[化] 异丙氟磷

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

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发表于:2018-12-04 / 阅读(211) / 评论(0) 分类 英文魔法师字源大挪移

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(146) / 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(181) / 评论(0) 分类 口腔临床英语对话

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(185) / 评论(0) 分类 不择手段背单词

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发表于:2018-12-30 / 阅读(168) / 评论(0) 分类 单词解析速记

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 英乐时空

when the night has come and the land is dark and the moon is the only light we'll see no, i won't be afraid no, i won't be afraid just as long as you stand stand by me so darling, darling, stand by me, oh, stand by me oh, stand, stand by me stand by

发表于:2019-01-10 / 阅读(158) / 评论(0) 分类 The Voice 美国好声音

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-10 / 阅读(546) / 评论(0) 分类 英乐时空

音乐咖啡厅:Ylamproductions - Love Aviation 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦想是当

发表于:2019-01-11 / 阅读(265) / 评论(0) 分类 音乐咖啡厅

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(161) / 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(150) / 评论(0) 分类 2018年科学美国人1月

HEALTH REPORT -July 10, 2002: Acrylamide in Fried Foods By Nancy Steinbach This is the VOA Special English Health Report. Twenty-three international health experts say they are concerned about the pos

发表于:2019-01-30 / 阅读(169) / 评论(0) 分类 健康与环境

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(154) / 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(146) / 评论(0) 分类 英语单词荟萃

今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi

发表于:2019-02-05 / 阅读(205) / 评论(0) 分类 美国之音《流行美语》

Pripyat, Ukraine. A dead city. Homes, schoolrooms, playgrounds, and other places are crumbling as wild nature reclaims the land. Pripyat once had some 50,000 residents(居民) . Now they are gone, perhaps forever. Only the artifacts of their live

发表于:2019-02-06 / 阅读(167) / 评论(0) 分类 英语新闻

音乐咖啡厅:Ylamproductions - Life, Love, and Faith 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦

发表于:2019-02-06 / 阅读(214) / 评论(0) 分类 音乐咖啡厅

1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱

发表于:2019-02-07 / 阅读(334) / 评论(0) 分类 OMG美语

音乐咖啡厅:Ylamproductions - My Heartbeat 相关介绍:YLAMPRODUCTIONS出生于香港,现年21岁,就读于澳大利亚音乐学院(Australian Institute of Music)!从小受到音乐的熏陶,有一个属于自己的Band,梦想是当

发表于:2019-02-08 / 阅读(392) / 评论(0) 分类 音乐咖啡厅
学英语单词
.dcx
aerofoil theory
Alpkogel
arif
arseno group
Aru, Kep.
assemblances
attempts per circuit per hour
autocatalytic reaction
average instructions per second
bank charter
bearing arc
Beyoneisu-retsugan
Ciudad Garcia
collective reserve unit
compiler generation
countervein
cupreous
cutting edge normal plane
cyclopus
cyclothiamine
defeatedness
delabel
descabello
desert tortoises
desktop presentations
eont
epidermal exoskeleton
Estói
exploratory fishing
external feedback magnetic amplifier
facioscapulohumeral atrophy
Fannettsburg
five-membered cycloalkane isomerization
flagship product
fluoropyrimidines
foolhardily
futures options
Geumgok
graphic lubricant
hag moth
haliography
helm port fifteen
henyard
heteroautotrophic
high cotton
in a mood
instantaneous switch
Judas kiss
kefiran
kenoyer
Kittel's treatment
Lassio
lethrinus semicinctus
lighting console
mayre
motor vehicle accident
multi-layereds
murder hole
Nicrobraz
Norsynephrine
nutty as a fruitcake
open regenerative cycle gas turbine
optical image converter
palos hills
paraaminohippuric acid
pension house
pulverulent
quasi-dynamic memory
rake teeth
research institutions
reset packet
rhimes
riyf
road transportation commitment
Sasso Moro, Mte.
scripless dealing of shares
shareout
Shotgun Clause
skin dermoid cyst
slewed
slips out of
Soemmering's spot
Stock Index Future
streetology
sub agent
tapped foot
Tatarevo
thie
to decrease
to hit him
towns
Tselinskiy Rayon
ultrasonic iontransport machine
vertical auger drill
verticalism
Vimeans
walk in the park
wet with moisture
Wörth an der Donau
zastrugi
zero twist