[地物] 非热氧原子

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(132) / 评论(0) 分类 美国英语听力80篇

M adam President and * Members of the General Assembly: When Secretary General Hammarskjolds invitation to address this General Assembly reached me in Bermuda, I was just beginning a series of conferences with the Prime Ministers and Foreign Ministe

发表于:2018-12-30 / 阅读(480) / 评论(0) 分类 名人演讲

[AUTHENTICITY CERTIFIED: Text version below transcribed directly from audio. (2)] *Madam President and* Members of the General Assembly: When Secretary General Hammarskjold’s invitation to address t

发表于:2018-12-30 / 阅读(194) / 评论(0) 分类 美国经典英文演讲100篇

Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some

发表于:2019-01-02 / 阅读(290) / 评论(0) 分类 CRI实用英语课堂

This is scientific Americans 60 Second Science. I'm Steve Mirskey. Got a minute? The lure of gold can be electric to some people even though the element is chemically inert on the large scale. But the researchers from Georgia Tech report that down at

发表于:2019-01-04 / 阅读(163) / 评论(0) 分类 Scientific American(三)月

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(189) / 评论(0) 分类 英语新闻

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(五)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(208) / 评论(0) 分类 英语小短文

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(323) / 评论(0) 分类 北师大版高中英语模块7(选修)

Grab my hand take one step Come with me no regrets 'Coz we'll fly higher than what you can imagine When your heart is mine, anything can happen You're my baby I know you hear this song No need to worry about us You ain't doing nothing wrong Coz latel

发表于:2019-01-14 / 阅读(130) / 评论(0) 分类 节奏布鲁斯

EXPLORATIONS - Nanotechnology: How the Science of the Very Small Is Getting Very BigBy Mario Ritter Broadcast: Wednesday, February 08, 2006 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith

发表于:2019-01-16 / 阅读(135) / 评论(0) 分类 2006年慢速英语(二)月

LULU GARCIA-NAVARRO, HOST: It's not every day that scientists announce a new season. But that's what ocean researchers just did on the west coast. They say waters off Oregon, Washington and California now have a whole season when the oxygen level on

发表于:2019-01-17 / 阅读(142) / 评论(0) 分类 2018年NPR美国国家公共电台10月

Those planets are all going to be so hot, and you cant develop something as complex as life. Scientists have gone back to the drawing board, looking to find worlds capable of supporting life, small rocky planets like earth. We dont know that life has

发表于:2019-01-22 / 阅读(116) / 评论(0) 分类 自然百科2010年

凭借在iTunes和MySpace的成功,来自美国加州的流行女歌手科尔比凯拉特(Colbie Caillat)的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周,这张《Coco》共售出5万1千张,在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(249) / 评论(0) 分类 音乐咖啡厅

The Time Before Fire What is fire anyway? Well, fire is rapid oxidization . Its the energy released when oxygen atoms start combining with carbon and hydrogen atoms. Exactly, so without oxygen in the air, nothing burns. You mean there was a time befo

发表于:2019-01-26 / 阅读(101) / 评论(0) 分类 英语听力文摘 English Digest

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

发表于:2019-01-27 / 阅读(156) / 评论(0) 分类 新西兰英语

Colbie Caillat-Oxygen I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边

发表于:2019-02-02 / 阅读(105) / 评论(0) 分类 好听的英文歌曲

I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边的每个人都能展颜

发表于:2019-02-20 / 阅读(137) / 评论(0) 分类 好听的英文歌曲

Did you ever wonder why sugar dissolves in a cup of coffee? Why not have the sugar just float in the middle of the cup, without dissipating into the coffee? Its because of the way water molecules interact with molecules in other substances. A water m

发表于:2019-03-06 / 阅读(177) / 评论(0) 分类 英语时差8,16
学英语单词
a broken record
abiortrophic degeneration
aircraft maintenance
average igneous rock
Balmeisporites
Bankon
Bareli
beneficially owned share
berthage space
bioships
bludgeonings
bongo
BRL-3475
camacite
camera tracking
cattishly
centertap circuit
child-murder
chromium plate
Cidex-7
clickspring
collect b/l
concyclothem
consultation process
Corydalis dajingensis
cotton linter pulp
criminations
crossply tire
curf
deeplying
design evaluation
desired cut
ectopeptidase
emperor penguins
energy dependency
erosion of river banks
feed lime
friction-wheel feeder
game all
grassleaf daylily
GTAG
H-graft
half pint
honopu b.
ingoing materials
instilment
interrupt remembered
jogayle
know-that
konstant
library facilities
Ligularia longifolia
main engine fault emergency manoeuver
mashing off
maximum allowable normal mode overvoltage
Milichiidae
minimum audible sound pressure
Muraveyka
n'western
N.N.W.
nn junction
nutrition diagnosis
once-powerful
optical sensing
orbital maneuver
pachysandra terminaliss
page mode dynamic random access memory
pay-back
peripheral flooding
pet card
phenylformaldehyde
phraselets
plus time shift
preservation of pure state
psychrometric lightness
relief annealing
Richter,Hieronymus Theodor
row-crop sprayer
ruin one's reputation
Sansom, William
silicone brake fluid
single switchboard
skeletal dysplasia
spinocollicular
stacpoole
streamtube
strength of ebb interval
superstructure line
system of couples
telegraph order
tornado magnets
two-base hit
Tylosterone
uca formosensis
uncompetent
urocrisis
uv spectrometer
vertical seismic profile log
water aircraft
wet separator
willages
yacine