单词：constant pressure cell
单词：constant pressure cell 相关文章
Sue跟坐在隔壁的同事George聊天。 S: That's true...we might actually be making more work for ourselves by this constant need to stay in touch. G: If they allow cell phones on airplanes...we're going to have to hear even more hours of endless
礼节美语
Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl
万花筒2008年
This is Scientific Americans' 60-Second Science. I'm Steve Mersky. Got a minute? Its the kind of thing we can look forward to more in the coming years: Personalized drug regimens based on our individual DNA. The example of this new kind of Personaliz
Scientific American(一)月
My real biological mother left me in a basket with me and my sister saying that we were twins and she waited to make sure that we were safe and then my mom right now Betsy, she came to get me in China to adopt me and she took me back to America as, a
国家地理2007年
By Carol Pearson Washington, DC 06 July 2006 watch Stroke Prevention report People with diabetes, sickle cell anemia, or sleep apnea are at risk for having a stroke. The American Stroke Council has some guidelines that can help prevent stroke. -----
2006年VOA标准英语（七月）
By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk
VOA常速英语2008年（四月）