单词：high-tension mercury-vapor spotlight
单词：high-tension mercury-vapor spotlight 相关文章
Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a
2009年NPR美国国家公共电台7月
The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
彭蒙惠英语
EDUCATION REPORT - Ideas for Teaching Young Children By Jerilyn Watson Broadcast: Thursday, January 29, 2004 This is Steve Ember with the VOA Special English Education Report. Experts say students are
教育与新闻
Always awesome! This one, though, is a little bittersweet for us because this is our last show of the school year. You know who I am. Let's start things off with a quick check of today's headlines. The U.S. government wants BP to start paying up for
CNN2010年(六)月
The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying
英语新闻
Toxin-loving Trees 树木能调节气候,保持生态平衡，树木通过光合作用，吸进二氧化碳,吐出氧气,使空气清洁，新鲜。一亩树林放出的氧气够65人呼吸一辈子。树还能防风固沙，涵养水土,吸收各种粉
英语听力文摘 English Digest