This is Scientific American's 60-Second Science. I am Karen Hopkin. This'll just take a minute. As you probably know, viruses can jump from animals to people, we've gotten flu from birds and pigs, and HIV, the virus that causes AIDS, is thought to ha

发表于:2018-12-24 / 阅读(47) / 评论(0) 分类 Scientific American(六)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(46) / 评论(0) 分类 单词解析速记

Cleaning the ears is often considered to be a sign of good personal cleanliness. 清理耳朵通常会被认为是良好个人卫生的一大标志。 But manually removing earwax could actually damage a person's hearing, according to new guidelines

发表于:2019-01-03 / 阅读(73) / 评论(0) 分类 实用英语

内科 internal, medicine 内科学 medicine 内科医学 internal medicine 内科医师 internist,physician 内科住院医师 house physician 心脏(病)学 cardiology 心脏病学家 cardiologist 神经病学 neurology 神经病学家 neuropathist

发表于:2019-02-01 / 阅读(71) / 评论(0) 分类 实用英语

Showcasing interesting and innovative online destinations Art Chimes | Washington, DC 04 December 2009 It fades in and out. ... But what I think that does is that adds a feeling of mystery. Time again for our Website of the Week, when we showcase int

发表于:2019-02-05 / 阅读(54) / 评论(0) 分类 VOA标准英语2009年(十二月)

BEIJING, Aug. 17 (Xinhua) -- Charity foundations from the United States and China are to jointly carry out a 10-year program to help Chinese with hearing loss. The Audiology Development Foundation of China launched the initiative on Friday with the A

发表于:2019-02-06 / 阅读(47) / 评论(0) 分类 英语新闻