(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival

发表于:2018-12-05 / 阅读(58) / 评论(0) 分类 托福听力短文

第四章 泌尿系统 Chapter 4 Urinary System 1, 25- hydroxycholecalciferol 羟胆钙化醇 abdominal part of the ureter 输尿管腹部 apex of bladder 膀胱尖 body of bladder 膀胱体 cystoptosis 膀胱脱垂 erythropoietin 红细胞生成素 external urethral orifice 尿道外

发表于:2018-12-05 / 阅读(150) / 评论(0) 分类 医学英语

Antibiotic Alternative Treats Urinary Infection in Mice Researchers have a new approach for treating urinary tract infections, a painful condition which can often be treated successfully with antibiotics. But many times, the infection is caused by st

发表于:2019-01-13 / 阅读(51) / 评论(0) 分类 VOA标准英语2011年(十一月)

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

发表于:2019-01-26 / 阅读(66) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Three-dimensional printing 3D印刷 An image of the future 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用

发表于:2019-02-06 / 阅读(49) / 评论(0) 分类 经济学人科技系列

By Melinda Smith Washington 17 July 2007 Antibiotics are designed to fight a multitude of bacterial infections. But some infections -- such as those in the urinary tract -- have become resistant to many antibiotics. VOA's Melinda Smith reports on a r

发表于:2019-02-06 / 阅读(103) / 评论(0) 分类 2007年VOA标准英语(七月)