单词：pulp bleaching agent
单词：pulp bleaching agent 相关文章
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
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
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
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
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
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
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
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
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
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
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
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
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
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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
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
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
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
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
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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
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
中英双语新闻