视神经血管环

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

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(54) / 评论(0) 分类 科技之光

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

Reporters on the Streaming down the Yangtze River tour have arrived in Hubei's capital, Wuhan. As part of their time there, the reporters have visited the East Lake Hi-tech Development Zone, a national innovation demonstration zone, which is also kno

发表于:2019-01-19 / 阅读(77) / 评论(0) 分类 2018CRI中国国际广播电台

Glaucoma is the leading cause of irreversible loss of vision worldwide and now doctors believe the devastating disease begins in the brain and not in the eye as has long been thought. Dr. David Calkins, director of research at the Vanderbilt Eye Inst

发表于:2019-01-20 / 阅读(46) / 评论(0) 分类 VOA标准英语2010年(三月)

The world literally fades to grey when we feel depressed, scientists have discovered。 To investigate links between mood disorders and vision, Emanuel Bubl at the University of Freiburg, Germany, and colleagues ran an electrode along one eye in each

发表于:2019-02-17 / 阅读(25) / 评论(0) 分类 阅读空间
学英语单词