This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(一)月

StudyFindsHighLevelsofBPAinCannedFoodforKids The industrial chemical BPA has been used to make hard plastic bottles and the lining of food cans for decades. After studies indicated that the chemical could play a role in cancers, heart disease and abn

发表于:2019-01-13 / 阅读(31) / 评论(0) 分类 VOA标准英语2011年(九月)

Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的? Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来,人类和狗狗都有十分特殊的关系,相互喜爱,相

发表于:2019-02-01 / 阅读(342) / 评论(0) 分类 阅读空间

BBC Learning English People and Places Hoglands Amber:Hello, Im Amber and youre listening to bbclearningenglish.com In People and Places today, we meet Mary Moore, daughter of the renowned British artist and sculptor, Henry Moore (who died in 1986).

发表于:2019-02-04 / 阅读(151) / 评论(0) 分类 人与地方

Another example: 还有一个例子 a few years ago I got a call from a man who was 19 years old, 几年前,我接到一个十九岁的男孩打来的电话 who was born a boy, raised a boy, 他生下来是个男孩,也被当作男孩来养 had a

发表于:2019-02-13 / 阅读(33) / 评论(0) 分类 TED演讲教育篇

I think that, from a biological standpoint, human life almost reads like a poem. It has its own rhythm and beat, its internal cycles of growth and decay. It begins with innocent childhood, followed by awkward adolescence trying awkwardly to adapt its

发表于:2019-02-20 / 阅读(51) / 评论(0) 分类 英语美文