小行星带隙

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(156) / 评论(0) 分类 Scientific American(四)月

'Achievement Gap' Closing Slightly for Young Students in U.S. It is no surprise that within many education systems, wealthier students often test better than poorer students. To education experts this is often called the achievement gap. What is a su

发表于:2018-12-12 / 阅读(355) / 评论(0) 分类 2016年VOA慢速英语(十)月

Steve Inskeep : Commentator Baxter Black has his own way of trying to teach young people, though it is not as easy as it used to be. Baxter Black : Yes, Virginia, things have changed. A 20-something couple I know has occasionally sought my counsel.

发表于:2018-12-17 / 阅读(231) / 评论(0) 分类 2009年NPR美国国家公共电台7月

DIALOG 21 laurance--You look happy today! soony--I am happy.I just heard I passed my physics exam laurance--Congratulations!I'm glad somebody's happy. soony--Why?What's the matter? laurance--Oh,I'm ju

发表于:2018-12-26 / 阅读(116) / 评论(0) 分类 英语经典听力对话

[00:04.60]Module9 THE GENERATION GAP [00:09.60]Unit2 I don't know whether my mum [00:13.57]and I can be friends again. [00:17.52]1 Listen and read. [00:21.59]Problem Page Pamela [00:24.84]Letter1 Dear Pamela, [00:29.33]My danghter plays her music ver

发表于:2018-12-29 / 阅读(221) / 评论(0) 分类 外研社新标准初中英语九年级

Jo: Hello, welcome to Real English from BBC Learning English. Im Jo. Sun Chen: Hello. Im Sun Chen. Jo: Today were going to look at words and phrases that you might not find in your dictionary. Sun Chen: 地道英语和大家一起学习现代英式英语中最新出现的

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 地道英语在线听

今天我们要学的词组是gap。 Gap的意思是缝隙,差距。比如年龄的差距, age gap。贫富差距,the gap between the rich and the poor。收支差距,the gap between revenue and expense。 美国的一项调查结果说,美国

发表于:2019-01-07 / 阅读(141) / 评论(0) 分类 英语每日一词

今天我们要学的词组是gap。 Gap的意思是缝隙,差距。比如年龄的差距, age gap。贫富差距,the gap between the rich and the poor。收支差距,the gap between revenue and expense。 美国的一项调查结果说,美国

发表于:2019-01-07 / 阅读(137) / 评论(0) 分类 英语单词荟萃

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If we want to learn more about our planet and other planets in the universe, we can get some help from stars that are long dead and gone. Thats what U.

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(一)月

LOS ANGELES, April 8 (Xinhua) -- NASA's Wide-field Infrared Survey Explorer (WISE) has discovered a rare asteroid that traces out a horseshoe shape relative to Earth, the Jet Propulsion Laboratory (JPL) said on Friday. Unlike most near-Earth asteroid

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 英语新闻

NASA: Humans Could Visit Asteroid in 2021 These chunks of ancient space rocks hold clues about the formation of the universe, pose threats to our planet, and present new territory for explorers. NASA's proposed asteroid mission is a logical next leap

发表于:2019-01-14 / 阅读(132) / 评论(0) 分类 VOA标准英语2013年(六月)

LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E

发表于:2019-01-20 / 阅读(152) / 评论(0) 分类 英语新闻

In his report, Chinese Premier Li Keqiang said at least 10 million rural residents will be lifted out of poverty this year. And the country will lift 70 million people out of poverty by 2020, according to the draft outline of Chinas 13th Five-Year Pl

发表于:2019-02-04 / 阅读(196) / 评论(0) 分类 cctv9英语新闻2016年

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(134) / 评论(0) 分类 英语新闻

Once, during the course of a conversation with a colleague who was a woman of color, I happened to refer to her as an African American. Her response left me confused. Don't call me that, she said. I've never been to Africa; I don't know the first thi

发表于:2019-02-08 / 阅读(134) / 评论(0) 分类 阅读空间

BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e

发表于:2019-02-15 / 阅读(139) / 评论(0) 分类 英语新闻

Around 350,000 newly unemployed people signed up for financial assistance last week in the United States, which is one reason that the jobless rate remains stuck at a relatively high 8.2 percent. Some employers say they would hire more people if they

发表于:2019-02-18 / 阅读(106) / 评论(0) 分类 英语新闻

浙江省第一份社会财富观调查报告近日对外发布,调查显示,80%的受访者认为贫富差距大,50%以上的人判断未来贫富差距还将拉大。社会贫富悬殊状况不容乐观。 请看《中国日报》的报道:

发表于:2019-02-19 / 阅读(119) / 评论(0) 分类 英文语法词汇

NASA has announced that an Asteroid will pass closer to Earth than the TV satellites that surround the planet. NASA says that the celestial visitor has no chance of impacting the Earth and is known as 2012 DA14. A group of amatuer astronomers discove

发表于:2019-02-21 / 阅读(143) / 评论(0) 分类 英闻天下

Meanwhile, a 45-meter wide asteroid has hurtled safely past earth after it came within 27-thousand kilometers, making it the closest known flyby for a rock of its size. The asteroid, named 2012 DA14 came closer to earth than many communication and we

发表于:2019-02-21 / 阅读(135) / 评论(0) 分类 英闻天下
学英语单词
acoustic emission of rock
Actinodaphne tsaii
allegation of rape
aminoxylation
automatic duration indication
barechested
barrier effects
be supposed to do something
behave
birchens
bottom settlings
buhlwork
building out cable
bulgren
Burkholderiales
capfuls
cast adrift
Cerbolite
chain index number
Chanh Phu Hoa
chicken-fried
co-medication
continuous time sequential decision process
Donets'k
dynamic stratigraphy
electric clippers
family Cardiidae
fob liner terms
fringe stability
gerotranscendence
Govind Sāgar
haneda
heavy duck
Huemules, R.
i-measure
INCORR
indoor recording
initiate into
international society for krishna consciousnesses
International Wanted Notice
jupiter fidiuss
Karangarua
keratosis palmoplantaris migrans
law of arrest
lex duodecim tabularum
Lias(sic)
machine water
marker
Mehun-sur-Yèvre
Meinong Township
meridia
mire hydrology
natural ecosystem
neli
operating fluid
ore-bearing
outlygger
palmitoyl-
pandamine
parasaccharinic acid
phyletic tree
pibrozelesin
pleaze
posterior belly
Prince of Wales Strait
prosymasul
protocanonical
Pyrethrum roseum M.B.
re-paints
rent-a-cab
response rate
rubber dam frame
Schur index
seal by metallic oval-ring
self-affected
sharpness screen
shift to right
Shimonita
single-channel monopulse track-ing system
soil mapping
stabilizer control gear
status read
steam generator system
suffruticulose
sympathising
system, target
taylor dislocation
the Salvation Army
three-faced monster
throwed
totalizing wattmeter
two-dimensional structure
underwater acoustic system
unification-based
useful luminous flux
Vasodiiatotors
very's night signal
walking-leaf
Whitehorn's methods
WinRM
within the fixed period
x-ary room