支链氨基酸代谢病

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(58) / 评论(0) 分类 经济学人科技系列

AS IT IS - Hunger is bad for your health Hello and welcome to another As It Is program. Im Jim Tedder in Washington. Today we examine your health. Doctors say you have got to get up out of that chair and move! Sitting for long periods is not good for

发表于:2018-12-07 / 阅读(33) / 评论(0) 分类 2013年VOA慢速英语(三)月

Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition

发表于:2018-12-18 / 阅读(109) / 评论(0) 分类 2017年VOA慢速英语(十)月

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

发表于:2019-01-03 / 阅读(55) / 评论(0) 分类 医务英语

HEALTH REPORT - Drug for Other Diseases May Have Use Against AIDS By Cynthia Kirk Broadcast: Wednesday, August 31, 2005 I'm Barbara Klein with the VOA Special English Health Report. Scientists say the

发表于:2019-01-30 / 阅读(42) / 评论(0) 分类 健康与经济

什么是GRE阅读难句呢?如何应对GRE阅读理解中的长难句呢?为了帮助大家更好的掌握GRE阅读理解中的难句,下面给大家整理一些杨鹏的GRE阅读难句,希望能够对您的GRE考试有所帮助。 下面就是小

发表于:2019-03-11 / 阅读(126) / 评论(0) 分类 GRE英语