[天] 木星大气环流

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2018-12-08 / 阅读(166) / 评论(0) 分类 2018年VOA慢速英语(四)月

By Jim Teeple First there was Charley, then Frances, and now Ivan; three major hurricanes in a month that have destroyed lives, homes and property across the Caribbean and the southeastern United Stat

发表于:2018-12-08 / 阅读(161) / 评论(0) 分类 VOA2004(下)--新闻盘点

Lee Witt (R) and BP PLC CEO of Gulf Coast Restoration Organization Bob Dudley at a news conference to announce Witt's hiring as advisor to BP's Deepwater Horizon oil spill response in Biloxi, Miss., 30 Jul 2010 Both U.S. government and BP officials o

发表于:2018-12-16 / 阅读(225) / 评论(0) 分类 VOA标准英语2010年(七)月

DAVID GREENE, HOST: This summer, a record-setting dead zone has appeared in the Gulf of Mexico. This is a zone where water does not have enough oxygen for fish to survive. One major cause of this is pollution from farms. And this has provoked a debat

发表于:2018-12-17 / 阅读(153) / 评论(0) 分类 2017年NPR美国国家公共电台8月

The Arctic's Anti-Snowball Snowball Effect 北极的反雪球效应 Last Christmas, Santa Claus must have been loading his sleigh in a t-shirt and shorts. Temperatures at the North Pole crept up toward the freezing point when they should have been mi

发表于:2018-12-24 / 阅读(180) / 评论(0) 分类 2017年科学美国人(七)月

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(211) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - Severe Ocean Storms: Behind Nature's Power By Caty Weaver Broadcast: Tuesday, September 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob D

发表于:2019-01-02 / 阅读(180) / 评论(0) 分类 科技之光

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 2018年VOA慢速英语(四)月

This could be the most terrifying sight in the solar system: clear skies above a bottomless pit, an infernal drop into the depth of Jupiters endless sky. You may have raindrops evaporating into the hot interiors of Jupiter, but there is no ocean down

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 自然百科2012年

MARY LOUISE KELLY, HOST: A gigantic storm has captured scientists' interest for more than a century, but no one's been able to get a really close look at it until now. That's because the storm is on Jupiter. It's better known as Jupiter's Great Red S

发表于:2019-01-16 / 阅读(165) / 评论(0) 分类 2017年NPR美国国家公共电台7月

KELLY MCEVERS, HOST: The Arctic is a huge icy cap on the planet, and it acts like a global air conditioner. But the air conditioner is breaking down. Today, scientists issued a grim report card on the Arctic. They say the pole continues to warm at an

发表于:2019-01-16 / 阅读(179) / 评论(0) 分类 2017年NPR美国国家公共电台12月

ARI SHAPIRO, HOST: There are cyclones at the poles of Jupiter. That's one of the surprises that NASA is reporting today. The space agency's Juno probe has been orbiting the gas giant since last summer. It's completed six revolutions of the planet so

发表于:2019-01-17 / 阅读(192) / 评论(0) 分类 2017年NPR美国国家公共电台5月

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

发表于:2019-01-22 / 阅读(214) / 评论(0) 分类 自然百科2011年

Earth's Fried Far-Future Postponed A study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports. [The followin

发表于:2019-01-30 / 阅读(208) / 评论(0) 分类 60秒科学

By Bernie Bernard Since the 1970s, Heart has sold more than 30 million albums, and has scored 20 Top 40 hits. After record company conflicts over the past 10 years and some health problems, Ann and Na

发表于:2019-01-31 / 阅读(268) / 评论(0) 分类 VOA2004(下)--新闻盘点

By Paul Sisco Washington 09 April 2008 Leatherback turtles fascinate ocean researchers. The largest of sea turtles roams the world's oceans, nesting and feeding in coastal regions. Scientists say leathernecks have been doing so for at least 65 millio

发表于:2019-02-02 / 阅读(178) / 评论(0) 分类 VOA常速英语2008年(四月)

By Greg Flakus Fort Collins, Colorado 10 July 2007 This past weekend concerts took place around the world to focus attention on the problem of global warming, which former U.S. Vice President Al Gore says is the greatest single threat facing humankin

发表于:2019-02-05 / 阅读(217) / 评论(0) 分类 2007年VOA标准英语(七月)

By Nico Colombant Dakar 18 June 2007 West Africa is increasingly becoming a transit point -- as well as a stopping point -- for illicit drugs. So far, local governments have proven incapable to combat the trend. VOA's Nico Colombant reports from our

发表于:2019-02-06 / 阅读(239) / 评论(0) 分类 2007年VOA标准英语(六月)

SCOTT SIMON, HOST: Summer's here, of course, that means fresh peaches. When it comes to peaches, lots of people think of Georgia. But Georgia peaches are having a tough year. The state is missing something like 85 percent of its usual crop. Georgia P

发表于:2019-02-13 / 阅读(215) / 评论(0) 分类 2017年NPR美国国家公共电台7月

今天我们要学的词是 circulation. Circulation 有发行量的意思。美国皮尤研究中心的报告说,报纸虽然不会马上消失,但是,The declines in daily newspaper circulation are unprecedented. 日报发行量的降低是闻所

发表于:2019-02-19 / 阅读(192) / 评论(0) 分类 英语单词荟萃
学英语单词
4-hydroxylgentisic acid
a boat
abaci
acceptable environmental limit
adin
afterbirths
agar medium
approved standards
barco
Bassenge
be assailed with
beam off the beam
bee pollen panax ginseng extractum capsule
benign masseleric hypotrophy
bevel pinion and bevel gear set
Bleneau
Blind acceptance
bone-crunching
brakemen
by-pass cylinder
carpogenin
chiliadenus
cloth line
cocuswoods
come in sight
communication file definition
constant-impedance accelerator structure
core part
cow pies
Cryptococcus xanthogenicus
disulphonates
drmos
dupably
duplex practice
efflux deflector cone
eight-seaters
electric foot warmer
envire
external program check
family Carabidae
field proven
fixed allele
Fluderma
glairigenous
heteropolar machine
hoffmeister
horn gear
hses
ichthyosis serpentina
IERC
institution of commodity inspection
internal input admittance
international monopoly combines
josephson volt apparatus
kamloops
launching catapult
leading ramp
Lesothan
linear non-equilibrium thermodynamics
luis
Mendawai
milkinesses
morwening
mulleys
natural regeneration by marginal seeds
non slip drive
nonarbovirus
null reading method
obit sine prole
one-dimensional representation
outside point diameter
pack-seeder
peripheral-blood
price vector
qualify for the vote
rabbit food
roentgen therapy
scale system
screaming meemiess
set up standard
SMRAM
sneak off to
soliton pulse chirp
sound path
speed of response
Staurogyne concinnula
surge of reciprocating pump
sya
synthetic glue powder
thiobenzoyl
transliteration table
ultraviolet luminescence
unintentional scram
use of blanks
varicellovirus infectious pustular vulvovaginitis
Veterans of Foreign Wars
Vibron
water drainage
wcrs
wilsonite
winchester disc
working pendulum