Habitat - a location which has a suitable environment for an organism to live in. Caves are natural habitats for bats, trees for birds; oral surfaces and crevices, for some bacteria. Haemostasis - the

发表于:2019-01-03 / 阅读(29) / 评论(0) 分类 医务英语

This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(三)月

By Dan Robinson Capitol Hill 09 February 2006 A U.S. Senate office building was evacuated late Wednesday after sensors detected the possible presence in the air of what was initially described as a ne

发表于:2019-01-11 / 阅读(82) / 评论(0) 分类 2006年VOA标准英语(二月)

In Australia, Brain Power Fuels Emotion-Driven Music A team of Australian researchers is tapping into the nerves and bodies of volunteers to create a raw musical performance driven purely by emotions. In a world first, the data is fed into special so

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2012年(八月)

我们今天要讲的习惯用语都有这样一个词nerve。Nerve通常解释为神经,但是有时它的意思是勇气。例如在我们要学的第一个习惯用语里: get up the nerve。我们来听个例子。 这是一名职员认为领导忽

发表于:2019-01-16 / 阅读(101) / 评论(0) 分类 美国习惯用语

What makes people dizzy when they spin? Rolling down a hill or spinning around in endless circles causes dizziness or vertigo because hair-like sensory nerve cells in our ears send wrong messages to our brain. The motions of our bodies are detected b

发表于:2019-02-13 / 阅读(51) / 评论(0) 分类 阅读空间