直肠炎性息肉

A witness to the terrorist mall attacking Kenya say several attackers were women and one of them white. Kenya officials are so sure that one of them has been the so called white widow or wide has been issued for. Let's get started. Tonight the Kenya

发表于:2019-01-11 / 阅读(161) / 评论(0) 分类 美联社新闻一分钟2013(十月)

This is scientific american 60 second science. Im Chris Daliata. Got a minute? The pain relieving effects of drugs like ibuprofen are well known. But ibuprofen and its relatives, known as nonsteroid anti-inflammatory drugs, may someday have another u

发表于:2019-01-20 / 阅读(73) / 评论(0) 分类 2014年Scientific American(三)月

As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 自然百科2011年

First division in the polyp group, the class Spongiaria has been created by scientists precisely for this unusual exhibit whose usefulness is beyond dispute. 海绵纲是水熄类的第一纲,这一纲就是由这种非常有用处的新奇产物组成

发表于:2019-01-27 / 阅读(88) / 评论(0) 分类 《海底两万里》中英双语有声读物

Heart Patients More Likely to Take Medication When in Single Pill 心脏病人更倾向于服用单一药物 WASHINGTON Many patients who have heart disease or who have suffered a stroke dont take their medications as regularly as prescribed. One stu

发表于:2019-02-01 / 阅读(85) / 评论(0) 分类 VOA常速英语2013年(九月)

Six New Year's Resolutions Getting healthy need not be overwhelming. Here are six simple, straightforward ways to get on track toward optimum health in the new year. 1. Post It On the Fridge! Adopt the Anti-Inflammatory Diet The anti-inflammatory die

发表于:2019-02-17 / 阅读(101) / 评论(0) 分类 阅读空间

Chronic Sinusitis 慢性鼻窦炎,亦称慢性化脓性鼻窦炎。常因急性化脓性鼻窦炎反复发作未能得到适当治疗所致。以多粘液或脓性鼻涕、鼻塞、头痛及嗅觉减退或消失为主要临床症状。现代西医学

发表于:2019-02-24 / 阅读(88) / 评论(0) 分类 英语听力文摘 English Digest