水星遥测术

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(134) / 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(49) / 评论(0) 分类 彭蒙惠英语

It's hard to mistake that sound. Now imagine hearing it during a night that can last for months and where temperatures drop as low as 37 degrees Celsius. Enough to give nightmares to musk ox and Arctic hares, the favorite prey of the long-legged whit

发表于:2019-01-08 / 阅读(43) / 评论(0) 分类 Scientific American(一)月

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(190) / 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(65) / 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)
学英语单词
antiseptic suture
associated primary ideal
association of maturity and yield
attention display
augelite
Avich, Loch
azalai
Ban Ngao
boat's chart
body build
bulnesol
cache engine
calling for order
Catalogue of Bright Stars
chiou
composite stress
confray
continuous in mean
cover-keys
covert couture
daily cash
diademas
double-entry compressor
dubos
Early ripe, early rotten.
endometrial cyst of ovary
Espagnole
extra-heavy crown glass
fasts of gedaliah
fill-in light
flooding-ability
foldstool
for simplicity
fortran identifier
Geraniales
Graemsay
Gray's stain
Grenvillite
halictid
horcrux
house wizard
hydroxytetracaine
hypoglossohyoid triangle
ige
isolated word
istiophoridaes
jellying power
Kahama
know what's o'clock
lardiest
launch windows
ligand membrane
linking group
loss of flesh
macro-mineral
Meerle
Menston
mercury-vapor lamps
method of variation of parameter
micromuses
mirrorball
navigation tables
negative tropism
oral cancers
out-of-door
palmate leaves
pari-pinnate
pendulum shutter
perche
perchloric acid hydrate
photographically catalyzed nucleation
Plathian
printing concerns
rawnsley
removing rust
reviewing and approving the arrest
rolling manchine
rolling tank stabilization system
roughess length
royal rib
scientific racism
shatter index of coke
Shebekinskiy Rayon
snaps at
soil strain-rate behaviour
squirting cucumber
steel-clad rope
sucres
tapered bore bearing
temperate latitude
temperature feeler
terpe
traistly
trikerion
trimonoecious
true-amplitude preservation
tub-sized
tuffaceous shale
v.s
vihuela
Yamaguchi- gumi
zeitgeistiest