单词:Watova
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Artificial Intelligence Used to Track World's Wildlife Scientists have long struggled with how to measure the effects of climate change on wildlife. This is especially true for birds flying in and out of coastal areas bordering the Arctic Ocean. In t
Days of Painful Tooth Repair May Be Over From VOA Learning English, this is the Health Lifestyle report. Many people fear a visit to the dentist. They are not so much afraid of the doctor, but of the dental equipment and treatments. Well, fear no mor
AGRICULTURE REPORT –August 20, 2002: Exploding Meat By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientist Morse Solomon has developed an unusual method to make meat s
加速钙和矿物质吸收的蛀牙新疗法 For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth, this
Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,
He eats a lot of candy. He needs to clean his teeth now. He does not want cavities. He goes to the bathroom. He flosses between his teeth. He grabs his toothbrush. He brushes his teeth up and down. He rinses his mouth. His teeth look white. Finally,