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Song：Switch Artist：Ashley Tisdale You're out of this world I'm sure of it A crazy intuition, you're up and on, you're here than gone, come back A curious condition And then you switch right over It's weird, yeah I know but Just can't get a hold o
英语热力歌曲
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
今天我们要讲的第一个习惯用语是：bait and switch。Bait就是钓鱼时用的鱼饵，或者是一种引诱。在这个习惯用语里，bait就是引诱一个顾客上圈套，付高价来买不值这个价钱的东西。Switch就是很快
美国习惯用语
SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B
科技之光
By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-
VOA常速英语2008年（二月）