科学的年龄结构

EXPLORATIONS - In an Age of Modern Science and Medicine, Infectious Diseases Remain the World's Leading Killer By Jill Moss Broadcast: Wednesday, September 21, 2005 (MUSIC) VOICE ONE: I'm Faith Lapidu

发表于:2018-12-01 / 阅读(342) / 评论(0) 分类 Explorations

Beginner A: how old is Keith? B: hes 21. how old is James? A: hes a year older than Keith, but he looks younger. B: hows your father? A: hes fine. He retired last week. Its turning poing in his life. Now he can relax and enjoy his retirement. B: he

发表于:2018-12-02 / 阅读(135) / 评论(0) 分类 情景英语口语100主题

THE MAKING OF A NATION - American History: The Dawn of the Atomic Age STEVE EMBER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Im Steve Ember. This week, we continue our series of time capsule programs, each one explori

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 2012年VOA慢速英语(五)月

While on an expedition in western China twenty years ago, some explorers discovered the mummies of a tall, red-haired people. Though estimated to be nearly 4,000 years old, the corpses were quite well

发表于:2018-12-08 / 阅读(327) / 评论(0) 分类 赖世雄中级美国英语

UNIT TWO [00:12.20]Gogo can fly.Picture 1. [00:20.24]What can Gogo do,Tony? I don't know.Picture 2. [00:32.63]What can you do,Gogo? I can dance.Picture 3. [00:45.56]That's very good,Gogo. Can he sing?Picture 4. [00:57.94]Can you sing,Gogo? Yes,I can.

发表于:2018-12-13 / 阅读(235) / 评论(0) 分类 小学综合英语3A

Unit 1 [00:27.95]The donkey and the pekinese [00:32.71]There was a merchant who had a Pekinese dog. [00:37.98]It was like a toy. [00:41.14]The Dekinese lived in the merchant's house, [00:45.90]slept on his bed, sat on his lap and lived an easy life.

发表于:2018-12-13 / 阅读(239) / 评论(0) 分类 小学综合英语6A

UNIT TEN [00:18.49]Ten apples.Picture 1. [00:25.76]A B C STORE.Picture 2. [00:34.53]One carrot.Picture 3. [00:42.55]Two lemonsPicture 4. [00:52.19]Three bananas. Picture 5. [01:00.73]Four sweets.Picture 6. [01:11.97]Five eggs.Picture 7. [01:22.13]Six

发表于:2018-12-13 / 阅读(224) / 评论(0) 分类 小学综合英语1A

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Scientists can now include online gaming in their problem-solving arsenal. Because game players seem to have provided an answer to a scientific questio

发表于:2018-12-24 / 阅读(100) / 评论(0) 分类 Scientific American(九)月

This is scientific American's 60 seconds science. I'm Sophie Bushwick, got a minute. Tens of millions of years ago, cephalopods were hiding from enemies in clouds of ink. And it turns out thatcuttlefish today producing ink that's almost identical. Re

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(五)月

67 专家就防御恐怖袭击摩天大厦展开研究 SCIENCE REPORT- September 27, 2001: Planning for Safer BuildingsBy Nancy Steinbach (start at 1'00

发表于:2019-01-02 / 阅读(85) / 评论(0) 分类 政治经济

The Internet and social media are proving to be a double-edged sword. While they expand the possibilities of commerce and information-sharing, they are also used by terrorists(恐怖分子) to recruit members, to promote hate, and even to reveal ways

发表于:2019-01-06 / 阅读(137) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS -August 27, 2002: U.S. Nursing Shortage / Depression and Alzheimer's Linked? / New Findings About Malaria VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Steve Ember wi

发表于:2019-01-07 / 阅读(82) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We residents of the Milky Way should have a little extra skip in our step today. Turns out our home galaxy is much bigger and moving a lot faster than we previously th

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(六)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Age of Japan is an incredible puzzle entertainment, which shines with unique graphics. All 40 game levels are rendered with Japane...

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Daily Free Games

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Age of Japan is an incredible puzzle entertainment, which shines with unique graphics. All 40 game levels are rendered with Japane...

发表于:2019-01-08 / 阅读(231) / 评论(0) 分类 Daily Free Games

BOB DOUGHTY:This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. Today, we tell about efforts by American scientists to communicate with dolphins. We also tell about applications programs for compu

发表于:2019-01-12 / 阅读(153) / 评论(0) 分类 2011年VOA慢速英语(三)月

The same space seems shorter as we grow older, in youth we may have an absolutely new experience, subjective or objective, every hour of the day. Apprehension is vivid,retentiveness strong, and our re

发表于:2019-01-16 / 阅读(223) / 评论(0) 分类 阅读空间

Swimmer Dara Torres of the United States has tasted Olympic victory. But this year, the 41-year-old mother is carrying more than aspirations for a gold medal on her shoulders - she is carrying the hopes of a generation of athletes and fans. Torres w

发表于:2019-01-31 / 阅读(158) / 评论(0) 分类 VOA标准英语2008年(八月)

I want to share a few keys on how you can do that 我想来分享几个有用的方法,告诉你们如何才能保证 to make sure that we can see that your science is sexy and that your engineering is engaging. 让我们也觉得你们的科学性感

发表于:2019-02-13 / 阅读(73) / 评论(0) 分类 TED演讲教育篇
学英语单词
acclimatisations
Acicularia
aetylene
air conditioning-programme controlled
Alfred Krupp
altyns
analog fir filter
anti-seepage of channel
arithmetic average deviation
as dumb as an an
astin
backordering
bank capital
bright-eyed
bromeosins
Casserian ganglia
chloralurethane
chlorodiella laevissima
clay column
cluetts
collapse of setting
color graphic printer
condensation of moisture
counter-tide
D.G.A.
dealing room
derris roots
di-methane
diplomatial
Dreanought Bank
electric magnetic buzzer
enjoint
family cervidaes
garam masala
go to the other extreme
government work
grapnel travelling crane
grate upon the ear
gyroscope(gyro)
high speed bending moment
Ikateq Airport
indefailable
inner guide
jumping characteristic
kempe
Klingerstown
lapidate
laryngopharyngeoscope
Loharu
Luculia yunnanensis
main market
makins
manganese lead casting brass
mathematical economics
met-rx
MISF
Mrijo
multiple access path
N. J.
natural condition test
niameys
obnoxity
oil and gas combination nozzle
outcoming power.
pantiess
polartec
powerfusions
proto-geometric
pulche
reactor pressure vessel internals
reciprocating steam pump
reclamation survey
redang
regular one-parameter subgroup
reheater flow stoppage protection
retinovascular
rewarewa
schedule of operation
secondary energy sources
setup comb
siege of Yorktown
singha
solidifying rate
spaethe
split headphone
square tolerance zone
tapped resistance
task argument
the ayes have it
transdniestrs
two speed controller
typewritist
ultraviolet sterilizer
user-level security
video tape recording
Vincent, Pt.
West Alligator R.
whinfields
Xiahou Dun
Yoshikuni
You'll be lucky.
zymogen granules