覆递h含氢量

CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs

发表于:2018-12-01 / 阅读(486) / 评论(0) 分类 上海牛津初中英语九年级

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(163) / 评论(0) 分类 听一分钟英文-O

Unit 13 The Culture Content of Vocabulary One of the earliest word sets that a student will learn is colors. Later on the intermediate student learns that in English yellow signifies cowardice and green signifies inexperience and jealousy. It is impo

发表于:2018-12-04 / 阅读(122) / 评论(0) 分类 英语流行话题阅读:语境识词4500

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(168) / 评论(0) 分类 太阳科普

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(161) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(125) / 评论(0) 分类 英语演讲

Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. For our series This I Believe, we receive thousands of essays from young people. Today we hear from one of them. Kamaal

发表于:2018-12-19 / 阅读(158) / 评论(0) 分类 2007年NPR美国国家公共电台

台湾籍旅美老师今天交给我们的句子是: I have a dream,that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character. 我有一个梦想,那就

发表于:2018-12-25 / 阅读(138) / 评论(0) 分类 留美老师带你每日说英文

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(202) / 评论(0) 分类 英语课程学习计划和讲义

Facebook published detailed guidelines Tuesday for what users can and cannot post on the social media service. Earlier this month, lawmakers called on Facebook chief Mark Zuckerberg to appear in Congress. They demanded that his company take more step

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 2018年VOA慢速英语(四)月

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(160) / 评论(0) 分类 纯正英语一分钟

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(140) / 评论(0) 分类 英语新闻

发表于:2019-02-01 / 阅读(162) / 评论(0) 分类 财会英语

Two-week conference aims to achieve legally binding agreement to cut greenhouse gas emissions and has been billed as last best chance to clinch a deal. Sonja Pace | London 04 December 2009 Smoke is seen emitted from a chimney of the cooling towers of

发表于:2019-02-05 / 阅读(118) / 评论(0) 分类 VOA标准英语2009年(十二月)

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(164) / 评论(0) 分类 托福英语

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 雅思英语

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(178) / 评论(0) 分类 英语美文

price range 价格变动幅度 price relative 相对价格;比价 price survey 价格统计调查 price transparency 价格透明度 price trend 价格趋势 price variation 价格变动 price-cappi

发表于:2019-02-17 / 阅读(137) / 评论(0) 分类 财会英语

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(185) / 评论(0) 分类 英语口语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 英语新闻
学英语单词
acoustically
akamathesis
anchient
angle stem earth thermometer
anthus godlewskii
antioxidases
antpipit
area free from defect
B-scanner
be the salvation of
benevolents
berth rates
calabacine
capital gains
celery salts
chitotriso
Cinderellaesque
collocative
compulsory purchase order
contiguous zone
Crisp County
cross-age teaching
cryogenic liquid
cyclops hypognathus
day-night changeover
day-to-day traffic working plan
density-dependent theory
dialecticisms
die milling
DirectMusic
do-nothing alternative
Dobuan
dolorology
ectasies
electromagnetic susceptibilty
emergency button
engine room skylight
ensouling
excursion fare
external data structure
false prosperty
fertilis
function analog computer
furzen
gigajoule
gordunite
grading sifter
half-pound
Herminium chloranthum
interblend
jute rug
lime liniment
luminous standard lamp
make common cause
material fatigue
matured bonds
mechanical installation
middle linebacker
mischanging
Moriles
multicolumn
national tolerance
nontranslational
offset letterpress
ouranoss
paper overlaid plywood
penguinarium
phasing control
potassium plutonyl iodate
pulchritudinously
put the a mock in someone
reduction surplus
regression models
rimbaud
rus-sian
saline deposit
sample estimation
sawn squares
Scorton
scroll shaft
Sedum floriferum
sequential cohesion
slare
slit spectrogram
sociochemical
sprocke hole
stimulated threshold
strain ellipsoid
strontium cyanide
strumulose
television and radar navigation (teleran)
thermal vision
thin seeding
tractal
underexaggerate
underwater camera
unit antenna
VAD-FMK
wicket-keepings
wigg
working table
yellow liquor