[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(52) / 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(409) / 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(119) / 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(229) / 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(106) / 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(113) / 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(60) / 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(80) / 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(119) / 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(249) / 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(78) / 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(82) / 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(69) / 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(59) / 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(188) / 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(56) / 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(102) / 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(63) / 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(60) / 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(120) / 评论(0) 分类 英语时差8,16
学英语单词
adaptec
adyt
Al Kabābīsh
arcands
Arisaema consanguineum Schott
Atenguillo
attendant on a train
autoguider
bacterioerythrin
bakery product
Ban Zhao
be different from
bilged
Boeica multinervia
carageens
carriage trades
charge sensitive amplifier
cherine
chocolatiest
climbing maidenhairs
combination in restraint of trade
condenser water priming system
contacter
cost of ownership
cyclokoreanine
daub up
desco
digging rake
doliolaria larva
duplicate invoice
end of a glume
four - wire circuit
fritchie
furauction
GM_been-or-gone
granting agency
granular external coat
gtu
hardware-in-the-loop (hwil)simulation
hellenicas
holorepressors
Isenga
Joint Search and Rescue Center
Kourokoto
kykes
limiteers
line switch network
lipid-lowering medicines
long process of malleas
lowd
luminous pigment
McBurney's incision
metempiricist
microfloat
modern sectors
muscular spindle
naude
nicoreumal
noves
octavs
ore assay mill
organization theory
out-milling
out-tower
palladium-silver alloys
parallel wire line
photoradiations
Piaf
pneumatically-operated
pollened
reauthors
remaking
reproductive clonings
resistor transistor logic(rtl)
retickets
rheostasis
rhombic bipyramid
sales and marketing
santoors
Select text
Shabūl
skilled industry
small-lot storage
solid sampler
soluble packaging
space available
stereoscopic TV
suborder Alcyonacea
Suchet, Mont
suction feed cup
supervoid
Tabou, Dép.de
thymic aplasia
Tiénaba
to be accurate
transfer of budget items
triangulated
Triclobisonium
Tuesday Group
utility grade wood
various-sized
yogurt-maker