[网络] 西红柿

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

发表于:2018-12-17 / 阅读(133) / 评论(0) 分类 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

发表于:2018-12-19 / 阅读(48) / 评论(0) 分类 彭蒙惠英语

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

发表于:2019-01-30 / 阅读(189) / 评论(0) 分类 科技之光

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

发表于:2019-01-31 / 阅读(64) / 评论(0) 分类 英语新闻

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-

发表于:2019-02-06 / 阅读(78) / 评论(0) 分类 VOA常速英语2008年(二月)

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(168) / 评论(0) 分类 自然百科2012年
学英语单词
a jury of one's peers
Abyad
action ex contractu
against one's will
Alma Center
apparent relative movement
architect
base oneself on
binary minicomputer code
bogus drugs
boorsches
Brown Bottle
cardioselectivity
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cation radical
center of twist
chloral amide
christmas ornaments
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cratylisme
default parameter value
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downprice
drive parts
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embezzlement of tax funds
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figure out of
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geometric isomer
gp17
granulated
high altitude method
hydrangea strigosa rehd.
hydraulic efficiency servo-valve
hydrogen power generation
Iceberg Order
impanels
in any event
initial diagenesis
kidstar
Kolumbe
kumeyaay
langa
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like nothing on earth
manifold heater
manufacturer's sales branch
marine loading computer
maung
mechanical shell
mediosilicic rocks
micellar sensitization
motor-man
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natural-current method
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paging problem
pale
paracandacia truncata
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performance point
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physi
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