吸附脱色

I have a root canal filling in one of my teeth. The tooth is changing color. Can anything be done about it? 我有一颗牙在牙根管里补过。现在这颗牙变了颜色,有什么办法可以解决? Sometimes a tooth with a root canal fillin

发表于:2018-12-03 / 阅读(58) / 评论(0) 分类 口腔临床英语对话

AS IT IS 2016-04-02 Australias Great Barrier Reef Threatened 澳大利亚大堡礁受到白化威胁 Australias National Coral Bleaching Task force says the countrys Great Barrier Reef is facing the worst mass bleaching event in its history. 澳大利亚

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 2016年VOA慢速英语(四)月

LULU GARCIA-NAVARRO, HOST: Around the world, skin bleaching is popular, particularly in India, China and parts of Africa. Some immigrants have taken the tradition to the United States. In Minnesota, where the largest Somali community in the U.S. resi

发表于:2018-12-17 / 阅读(69) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Idiom: Make waves ( make problems ) Hit the book: Tropical Endangered Algae Bleaching Ban

发表于:2018-12-27 / 阅读(87) / 评论(0) 分类 趣味青春英语

JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and

发表于:2018-12-31 / 阅读(44) / 评论(0) 分类 PBS访谈环境系列

Several Studies Show Oceans Face Serious Threats The worlds oceans are sick, and getting sicker every day. 世界海洋环境堪忧,而且日趋恶化。 Two new studies show the warming of Earths atmosphere is removing oxygen from ocean waters and

发表于:2019-01-03 / 阅读(122) / 评论(0) 分类 2018年VOA慢速英语(二)月

We all create it, even if we usually dont like to think about it: waste. And the journal Science devotes its new issue to the subject. It delves into the problemshome garbage, plastics, metal, water, even everyones favorite, sludgeand discusses resea

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(八)月

Health Report - The Dark Side of Skin Lightening More people are using skin-lightening products, even if it means risking their health. Transcript of radio broadcast: 04 March 2008 This is the VOA Special English Health Report. In many societies, th

发表于:2019-01-11 / 阅读(73) / 评论(0) 分类 VOA慢速英语2008年(三)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a visit to the planet Mercury. We will tell about the dangers of products for making skin lighter. And, w

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 VOA慢速英语2008年(二)月

Amazing Amazon Hides Atlantic's Coral Reef 神奇的亚马逊隐藏着大西洋的珊瑚礁 Scientists studying the area where the Amazon River meets the Atlantic Ocean were in for a surprise. Under the muddy, dark Amazon River water was a large numb

发表于:2019-01-12 / 阅读(56) / 评论(0) 分类 2016年VOA慢速英语(五)月

倏忽即逝的链状闪光在云层里驰掣游动,时而飞出云底,时而钻入云中,明明灭灭,蔚为壮观。草原中被雷电击中的孤树散发着焦糊味,冒着烟;他们终于明白这些孤零零的牧场卫士为何死去

发表于:2019-01-29 / 阅读(57) / 评论(0) 分类 荆棘鸟

Web user sysev7n was cleaning out her fathers photographs at their home in Chengdu when she spotted the old snaps. Compared to a series of photos taken on a recent family holiday, the woman noticed that her parents looked like they haven't aged a day

发表于:2019-02-01 / 阅读(54) / 评论(0) 分类 阅读空间

In its latest installment, YouTube dating and travel series Dating Beyond Borders looks at female beauty standards across countries to show how vastly they vary and asking: 'how far do we go to look beautiful?' The video displays informative stats ab

发表于:2019-02-01 / 阅读(48) / 评论(0) 分类 阅读空间

WASHINGTON, Jan. 8 (Xinhua) -- The U.S. Commerce Department said on Wednesday it has launched antidumping duty (AD) and countervailing duty (CVD) investigations into imported calcium hypochlorite from China. Calcium hypochlorite is an ingredient in b

发表于:2019-02-02 / 阅读(66) / 评论(0) 分类 英语新闻

音乐咖啡厅:Play - When Love Is Bleaching Bad 相关介绍:play是一个来自瑞典的少女偶像团体,成立于2001年.成员有4个人,Faye Hamlin, Anna Sundstrand, Anais Lameche和Rosie Munter.刚加入团队的她们只有12,3岁.P

发表于:2019-02-03 / 阅读(127) / 评论(0) 分类 音乐咖啡厅

本期内容: More than one-third of the coral in the northern and central parts of the Great Barrier Reef is dead or dying, scientists said. The chief culprit for the mass bleaching of the past two months is high water temperaturespartly from the

发表于:2019-02-13 / 阅读(46) / 评论(0) 分类 夏说英语新闻晨读

The latest survey of the Great Barrier Reef off the coast of Australia reveals that an average of 35 percent of coral is now dead or dying in the northern and central sections. Experts from James Cook University say its the most extreme case of mass

发表于:2019-02-14 / 阅读(60) / 评论(0) 分类 中英双语新闻

If only we’d never gone there, thought Alan. They were scrambling up the mountainside in the late afternoon heat. Alice was so tanned that she looked as if she had lived on the Mediterranean for mon

发表于:2019-02-16 / 阅读(91) / 评论(0) 分类 阅读空间

aberration 像差 absolute film 绝对电影 abstract film 抽象电影 academy aperture 影艺学院片门 academy awards 奥斯卡金像奖 academy leader 影艺学院导片 academy mask 影艺学院遮片 academy of motion picture arts & science 美国影艺学院(台)美国电影艺术和科

发表于:2019-02-18 / 阅读(78) / 评论(0) 分类 英文语法词汇

The United States Justice Department is dropping its legal action against Apple saying it is cracking encryption on a smartphone used by one of the radical Islamists who shot dead 14 people in San Bernardino last December. David Lee reports. Followin

发表于:2019-02-21 / 阅读(60) / 评论(0) 分类 中英双语新闻
学英语单词
6
Alarcón, Embalse de
Amamaki-zan
ammonium magnesium arsenate
artery of glomerulus
assembly statement instruction
auto arrange
ba-chan
bag-type filter
barium aluminate
beat the bushes for
Besselian elements
blackrock
branky
bummer beat
cable expansion box
chapel hills
characteristics speed
counter response
counter revolution
counteracting exercise
covering of the lagging
coviner
criminal photograph
cynder
daumas
detonating signal
diamond ring effect
doxazosin
drill pipe body
emotional abuse
fait accomple
firman
flash guard
foggy bottoms
forhoared
fractional flow equation
free-sapce attenuation
genicle
genus idesias
Gopherus
harleydavidson
high purity gallium
horizontal balance
Humbolt's
hypophamine
idlewild
Itapiranga
Jean Antoine
Jeans wavelength
laver harvester
lightning arrester clip-off voltage
Little More
long-run economic growth
low value-added
madan
magnetic sound
Malān, Rās
Marchinbar I.
maskerade
mechanic dynamometer
mervy
metallide
mitotic factor
mound crown
non-axial stress
non-linear material with memory
North Galilee
NP-complete problem
old black joe (usa)
Osorakan-zan
pallasii
partial-pressure
Penney
pound-foolish
prediction procedure
psycholinguistic quotient
random access telemetry
requoyle
ribokinase
sagawa
shadufs
shock blasting
sieve separating
simple doubling time
standard shipment
stock cap
streak cultivation
stunned
submergibles
sulphur chloride
system of system
targets
thioaniline
thorium cycle hybrid reactor
tilting-type mixer
unsudden
up reversal
upvaluation
water hemlock
weigh