单词：molars
单词：molars 相关文章
This is the VOA Special English Health Report. Wisdom teeth are normally the last teeth to appear in the mouth. It usually happens when people are older and wiser. That is, when they are in their late teenage years or early twenties. Wisdom teeth ar
VOA慢速英语2009年（一）月
Pre-Listening Vocabulary molar: large teeth at the back of ones mouth (top and bottom) emerge: to appear; to come up from the surface impacted: wedged below or between something (e.g., stuck between the jawbone and another tooth) processed: mechanica
趣谈英语
This is scientific American's science 60 second science, I am steve mosbyA lot of people have had compacted third molars. Third molars produce chronic pain. Allen man, a Princeton University Physical anthopolegist, the annual meeting of the immagrate
Scientific American(二)月
A lot of people have had impacted third molars. Third molars produce a lot of chronic pain. Alan Mann, a Prinston University physical anthropologist at the annual meeting of the American Association for the Advancement of Science in Boston on Februar
Scientific American(二)月
Most large animals have to chew food extensively and form it into a mushy ball that's easy to swallow. Cooking makes a huge differenceit softens the food and dramatically reduces eating time. Researchers calculated that if we lived like our non-cooki
Scientific American(八)月
Health Report - Wising Up About Wisdom Teeth This is the VOA Special English Health Report. Wisdom teeth are normally the last teeth to appear. This usually happens when people are in their late teen years or early twenties -- in other words, when th
2011年VOA慢速英语(八)月