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RACHEL MARTIN, HOST: Doctors send thousands of pregnant women to bed each year, some for just a few days, some for months. The idea is that laying still may help women with complicated pregnancies carry their babies to term. But the practice is quest
2018年NPR美国国家公共电台11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
Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗？ If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的，我想蛀了也没有关
口腔临床英语对话
Pregnancy is a time of great emotion, and a bit of pain and discomfort. For most people, the news that a woman is pregnant brings great joy. I remember being too happy to speak. I phoned everyone I knew. From that very minute, your life changes. You
听一分钟英文-P
If I Had My Life to Live Over I would have gone to bed when I was sick instead of pretending the earth would go into a holding pattern if I weren't there for the day. I would have burned the pink candle sculpted like a rose before it melted in storag
精美英文欣赏
Pregnancy is a time of great emotion, and a bit of pain and discomfort. For most people, the news that a woman is pregnant brings great joy. I remember being too happy to speak. I phoned everyone I knew. From that very minute, your life changes. You
纯正英语一分钟