单词：acid resisting enamel
单词：acid resisting enamel 相关文章
Health Report - Laying the Roots for Healthy Teeth in Young Children 健康报道 - 健康护齿从儿童做起 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Bad teeth can be painful -- and worse. The
2011年VOA慢速英语(十二)月
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
必背句型: A:The company is resisting the takeover bid. 公司正在抵制以接管为目的的高价征购股份。 B:I think they just waste time. 我觉得他们只是浪费时间。 They are resisting this kind of product. 他们正在抵制这种
法律英语就该这么说
Did you know that there could be more bacteria living in your mouth than there are people on earth? 你知道吗，寄居于你口中的细菌有可能比全世界的人口数还多？ Bacteria love our mouths because the livin is easytheres plenty o
初学者听力文摘精选
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
Section 28 Acid Rain 50 years ago, no one talked about acid rain. Then we didn't really know the harm it was causing to the world. Today almost every adult and school child is aware of acid rain and i
英语导读1000句
Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b
医务英语
HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect
健康与环境
By Steve Herman New Delhi 12 June 2008 International airlines are resisting India's new passenger information system, set to be implemented at the end of this month. Carriers say the system, as proposed, is incompatible with existing databases. VOA
VOA标准英语2008年（六月）
This is the VOA Special English Health Report. It might seem hard to imagine that a bad tooth could be deadly. More than 41,000 students in the Philippines brushed their teeth at the same time last month to set a world record, organizers said. The r
VOA慢速英语2007年（三）月
Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid
2013年VOA慢速英语(五)月
AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa
2016年VOA慢速英语(二)月
Acid Attacks Continue in Cambodia Despite Harsher Punishments For Som Bunnarith, memories of the day acid violence changed his life forever are as vivid in his mind as the scars on his skin. When it splashed on me, it felt hot. It even burned through
VOA标准英语2012年(九月)
Pakistani Acid-Attack Victim Enjoys New Life in Texas After taking the oath of citizenship, Julie Aftab celebrated. I have waited eight-and-a-half years to hear those words, and those words mean so much to me, she said. Ten years ago, when she was 16
VOA标准英语2012年(八月)
Groups Resisting Global Polio Vaccination Efforts Health officials in Pakistan say they are redoubling efforts to vaccinate every child against polio after 198 new cases were reported in the country last year, the largest number anywhere in the world
VOA标准英语2012年(六月)
Teen Pop Star Bieber Arrested for Drunk Driving, Resisting Arrest 青年流行歌星贾斯丁比伯因酒驾被捕，曾试图反抗 Teen pop star Justin Bieber was released from jail on Thursday after being arrested on multiple charges, including dr
VOA标准英语2014年(一月)
Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin
VOA标准英语2013年(四月)
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿，每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W
英语听力文摘 English Digest
On September 18th, all New Zealand bread was going to have folic acid added to it. However, now the government has decided to wait three years. New Zealand and Australia have an agreement about food standards. Australia is going to add folic acid to
新西兰英语