地球内部化学

[00:03.15]第五单元 复习 [00:06.30]Lesson 17 Read and act [00:09.87]第17课 阅读并表演 [00:13.45]During the break, [00:15.03]课间, [00:16.61]Li Lei happened to see Paul's mark on the report of a chemistry experiment. [00:19.94]李雷偶然

发表于:2018-12-01 / 阅读(163) / 评论(0) 分类 初中英语人教版初三

(man) I'm glad you brought up the question of our investigations into the makeup of the Earth's interior. In fact --- since this is the topic of your reading assignment for next time --- let me spend these last few minutes of class talking about it.

发表于:2018-12-05 / 阅读(171) / 评论(0) 分类 托福听力短文

[00:21.89]lesson 1 [00:36.05]Have/has got =have/has [00:59.22]I have got a CD player, [01:03.97]but Jim hasn't got one. [01:10.92]Has Lucy got one? [01:22.99]I have a CD player, [01:31.66]but Jim hasn't/doesn't have one. [01:50.60]Does Lucy have a Cd

发表于:2018-12-10 / 阅读(170) / 评论(0) 分类 初中英语人教版初三

[00:03.89]Lesson 5 1 Dialogue [00:09.64]Mr Zhu is showing the students of Class 4 the chemistry lab. [00:16.30]Mr Zhu: Now,this is the chemistry lab. [00:20.45]Have you been in this lab before? All:No. [00:25.50]Mr Zhu: Ok,listen carefully,please. [0

发表于:2018-12-13 / 阅读(193) / 评论(0) 分类 高中英语人教版高一

发表于:2018-12-25 / 阅读(149) / 评论(0) 分类 洋话连篇

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(164) / 评论(0) 分类 2014年VOA慢速英语(八)月

Australian Scientists Propose a Telescope to Look Deep Underground Scientists in Australia want to build what they describe as a downward looking telescope to look for mineral wealth under the Earths surface. The telescope is really a project aimed a

发表于:2019-01-03 / 阅读(133) / 评论(0) 分类 2018年VOA慢速英语(十)月

Salty Origins for Early Earth Biomolecules In a study presented at the European Planetary Science Conference in Potsdam, researchers proposed that salt deposits on the early Earth's volcanic coasts enabled the conversion of amino acids into other im

发表于:2019-01-07 / 阅读(165) / 评论(0) 分类 60秒科学

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2010年(八)月

A: What do people usually do to improve the interior of their houses before they sell them? B: Your house looks very nice on the inside, but a fresh coat of paint always helps brighten a homes interior. A: I get confused when trying to pick out color

发表于:2019-01-15 / 阅读(138) / 评论(0) 分类 卖房英语情景对话

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(178) / 评论(0) 分类 2016年Scientific American(十)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(122) / 评论(0) 分类 自然百科2010年

By Barry Newhouse Islamabad 24 October 2007 Pakistani officials have drawn up recommendations for ensuring security during the country's upcoming political campaign season, following last week's devastating bombing in Karachi. VOA's Barry Newhouse re

发表于:2019-01-31 / 阅读(122) / 评论(0) 分类 2007年VOA常速英语(十月)

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(141) / 评论(0) 分类 VOA标准英语2009年(十月)

Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel

发表于:2019-02-04 / 阅读(99) / 评论(0) 分类 经济学人科技系列

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(154) / 评论(0) 分类 2007年VOA常速英语(十月)

MOSCOW, Jan. 3 (Xinhua) -- The number of conscripts(应征士兵) recruited for the Russian Interior Forces failed to reach the requirement, and the Interior Ministry had to draft ex-criminals to fill the vacant positions(职位空缺), local

发表于:2019-02-05 / 阅读(116) / 评论(0) 分类 英语新闻

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 VOA标准英语2008年(十月)

Now, the going gets tougher. The next stage introduces entities that are significantly more fragile, significantly more vulnerable, 现在,(变化的条件)就更加苛刻了。下一个阶段是初次形成的个体,个体是明显更加弱小

发表于:2019-02-14 / 阅读(121) / 评论(0) 分类 TED演讲教育篇

Apart from much else, our lively interior created the outgassing that helped to build an atmosphere 不说别的,我们活跃的内部使大量气体喷涌而出,帮助建立了大气层, and provided us with the magnetic field that shields us

发表于:2019-02-25 / 阅读(95) / 评论(0) 分类 万物简史
学英语单词
alary
albinismus conscriptus
aminoids
Anthony dollar
antial
apple leaf midge
attriteness
Barra de São Miguel
Bell's muscle
Boswash
brace yourself
burstalls
card board package
carnivalized
cash slip
clean wheel
computer technique
conditional sales contract
copper pyrometallurgy
dariole
Di-Isobutyl
die steels
dientzenhofers
disillusioning
disk allocation table
Dr Jekyll
each
eldersveld
elopiprazole
Eulerian trail
execution of treaty
fertilizer efficiency
flocculating agent
forgery bond
funnel flow
Gensaki Market
genus xyphophoruss
get hold of the wrong end of the stick
grains of Paradise
happen past
high-intensity light source
history of social politics
horicycle
in bad part
incommodious
introituss
Jewell Cave National Monument
Keller Peninsula
Kerr cell modulator
Kinosaki
lighten up
liquid-metal -coolant circuit
loux
mastoidectomies
metal buried welding
miemies
mismatching indicator
native materialism
nitrate agar
nonartesian ground-water
okmulgee
oospore
partially closed resonator
peat-digging
permissibly
phantom view
pistol whip
plastic limit
plastic strain concentration
plesiosaur
pneumonologist
polymer build-up
positive motor food reaction
postovulatory
Quartodeciman
reading stability
registered trust company
regulation of wagon flow
rehearsal of all region
rolling resistance coefficient
sichels
six sound timing
standard policy form
Staurogyne vicina
stemflows
strongly-typed language
subterm
surface microanalyzer
tail-end booster
tic
Tori R.
traffic emergency
two-page separation function
unipolar rete mirabile
vaded
VHF
violative
wheel swing arm
xenon flash lamp
yell at
yellow wax
Zabaykal'skiy Rayon