[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
a-sweat
amphemerous
arachnidans
auto dialer
Avonothyris
benylin
besotted
blew your top
bone building cells
bronze medal
carousal
case hardened steel bearing
combined rail and road transport
core coating
cored ammonium nitrate dynamite
crouths
current accounts
damped pressure gauge
deficiency in weight
Diffa
disilicic acid
disparkle
down comer
Dunér, Kapp
Dynoctol
e.s.u.
electric-chair
eliahu
entomesodermal cell
equally spaced position
evaporator body
femtometre
flowing wave
fluid boundary
flying height above the ground
force-current analogy
foul tip
foul-weather gears
generator of random signal
griff bar
hard copy terminal
hard remanent magnetization
heat shock resistance
Inula helenium
iron(ii) (ortho)phosphate
kamiks
larkcoms
mandriarch
matching-fund
miniopterus schreibersii fuliginosus
Mixbury
multistrategy negotiation
NetWare Users Internationsl
non-adaptiveness
nondirectional beacon
ordinary lay
overrides
pentatone
pine kernel
plastic cloth
platen heater
political-asylum
Pricing efficiency
primary fission products
protocarpic tuber
pummelos
qinghai - tibetan plateau
race-ethnicity
rare birds
Republic of Yemen
Restoration literature
return pulley
reversed normal fault
rigid ellipsoid
Rudol'fa, Ostrov
sacrificial magnesium alloy anode
scapin
section of pass
self-propelling dredger
single stage drive
slot racer
soldier beam
spoilsmonger
stopsign
swept-up frame
sympathist
synthetic food flavouring
tacciometer
thermo-electric couple
tobacco technology
Tricosteril
truth-conditional
Ubuntero
ultra fines
urogravimeter
vibrational casting
voltage pen pointer
wait for you
warcs
wasl
waste calcination facility
wind-mill