氧化保护膜

Well that's a pressure cooker of a day on Capitol Hill as we wait and wonder how this vote for healthcare plays out, the final vote is expected Sunday and Democratic house leaders are trying to convince undeclared members to vote yes. 216 votes are n

发表于:2018-12-02 / 阅读(186) / 评论(0) 分类 CNN2010年(三)月

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(165) / 评论(0) 分类 Scientific American(十二)月

As the balloons rise higer still,they face an attact by an invisible bombardment,radiation.Every day the Sun radiates a titanic amount of energy,some of them in the form of high energy of ultra violet rays.These rays packed a powerful punch ,and in t

发表于:2018-12-03 / 阅读(124) / 评论(0) 分类 探索与发现2014年

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(177) / 评论(0) 分类 听一分钟英文-O

AGRICULTURE REPORT - Don't Know Much About Mulch?By George Grow Broadcast: Tuesday, January 24, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Mulch is important to farmers. M

发表于:2018-12-07 / 阅读(121) / 评论(0) 分类 2006年慢速英语(一)月

Ramparts Are Protective BarriersWhen you sing or listen to the Star Spangled Banner, do you understand the words? The national anthem of the United States of America was inspired by the Battle of Baltimore at Fort McHenry in 1814. The lyrics suggest

发表于:2018-12-19 / 阅读(126) / 评论(0) 分类 Facts-事实

You may have never heard of him, but Thomas Midgley was considered one of the great chemists and inventors of his time. But perhaps no single person in history has done more harm to our earth. While working at a subsidiary of General Motors in 1921 h

发表于:2018-12-28 / 阅读(120) / 评论(0) 分类 轻松英文阅读

[00:07.37]Comparing cultures [00:09.71]Listen to a person talking about sports [00:11.96]in the USA and Britain and answer the questions [00:16.27]American football is one of the most popular [00:18.95]sports in the United States. [00:21.50]It's very

发表于:2018-12-29 / 阅读(206) / 评论(0) 分类 北师大版高中英语模块3

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(212) / 评论(0) 分类 英语课程学习计划和讲义

(man) I know you're anxious to get your permits and get started. But there're just a few things I'd like to mention that might help you avoid trouble during your stay. First of all, make sure you carry adequate water. You'll need it if you're hiking

发表于:2018-12-30 / 阅读(187) / 评论(0) 分类 托福听力短文

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(130) / 评论(0) 分类 英语听力文摘 English Digest

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

发表于:2019-01-02 / 阅读(212) / 评论(0) 分类 60秒科学

The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(十)月

The Ozone Layer 臭氧层 Can humans live away from the Earth? 人类能远离地球生活吗? Maybe it will be possible in the future but it is impossible now. 或许将来可以,但现在不行。 In our solar system, the Earth is probably the

发表于:2019-01-10 / 阅读(173) / 评论(0) 分类 与美国小学生一起学英文第10册

[00:00.00]Qianlian is keen to go to university [00:03.32]but she definitely [00:04.27]doesn't want to study medicine [00:06.26]She used to simle all the time [00:07.83]but now she looks washed out and unhappy [00:10.51]She's also lost a lot of weight

发表于:2019-01-10 / 阅读(221) / 评论(0) 分类 北师大版高中英语模块9(选修)

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(170) / 评论(0) 分类 纯正英语一分钟

AGRICULTURE REPORT - More Nations Move to Vaccinate Farm Birds Against Deadly FluBy Mario Ritter Broadcast: Tuesday, March 14, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Unt

发表于:2019-01-30 / 阅读(126) / 评论(0) 分类 2006年慢速英语(三)月

T. Thank the other three brothers of their father's mother's brother's side. The blue bluebird blinks. The cat catchers can't catch caught cats. The crow flew over the river with a lump of raw liver.

发表于:2019-02-01 / 阅读(164) / 评论(0) 分类 趣味英语

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(169) / 评论(0) 分类 天天商务口语

The fact you even have them ahead of time. 其实你们早就拿到剧本了 No, I mean, she is pretty protective about,I don't think our spoilers are as sort of big as the Scandal's spoilers. 没有 我的意思是 她很看重保密 我觉得剧透对

发表于:2019-02-15 / 阅读(115) / 评论(0) 分类 艾伦脱口秀
学英语单词
adaptive decisions
african heritage center for african dance and music(ahcadm)
amik ovasi marsh
angle of bevel
angular velocity of rotation
beef with broccoli
belt height
bickies
bobonaro
breakdown van
btry.Btry.
caddishly
camellia kissi
carlberg
casing wagon
centrifugal caster
circular restriction map
climatonomy
cluth
COBOL
collection of check
ComServRon
cossoner
Cotoneaster buxifolius
d-balfourodine
decanoic acid
differential pressure sensing line
echo control device indicator
edminson
excordiate
fade velocity
fixed loan
friction composition
fryse
ground ivy
haemoglobinemia
hairy tongues
hat-bands
hippopotamuslike
human paleontology
husbands-to-be
i am back
ignore one's proper occupation
inimicus japonicus
inquiry terminal display
inseverable
inter milan
investment mold
ither
knocking it off
laetevirens
laky blood
magnetoresistive linear sensitivity
maryn
material law
millennium cult
montcastle
multicopper oxidase
musculus longitudinalis
neo-fordists
nine night song (haiti)
over-the-horizon radar system
pacific iron
pancreatolytic
persi
petro-
power pack
pseudocercospora malloticola
purple echinacea
Pârvova
qorei
quinquivalence
radius of rotation
random-ish
register in
Rheinsberg
sail arm
samarium halide
shrinkage of production capacity
silica combustion tube
slow speed direct-coupled power plant
smart steaming
Sokolarci
spidercancer
spir.
step-wise progression
sub-post
tectonic foundation
Thatcheresque
tomographic scanner X
trans-ocean tanker
trench filler plow
tribromogermane
Tëploozërsk
Vat Dark Blue BO
vavuniya
virtual number of teeth
Voznesenskaya
weighted power-sum symmetric function
wireless revolution
woodman
work-family balance