[化] 单分子层

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.80]1998 Passage3 [00:08.62]Science has long had an uneasy relationship [00:11.94]with other aspects of culture. [00:14.56]Think of Gallileo's 17th-century trial for his rebelling belief [00

发表于:2018-12-01 / 阅读(314) / 评论(0) 分类 历年考研英语阅读理解

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(418) / 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(103) / 评论(0) 分类 听一分钟英文-O

Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然:室温下把一些冰块放入水中,

发表于:2018-12-28 / 阅读(59) / 评论(0) 分类 初学者听力文摘精选

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(132) / 评论(0) 分类 英语课程学习计划和讲义

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(46) / 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(141) / 评论(0) 分类 60秒科学

生活有希望,才快乐。 在好莱坞人人都梦想得到奥斯卡奖,连乞丐都满怀着希望,乞丐要饭时,旁边立了块牌子,上面写着: Help keep my Oscar Hopes Alive. 帮帮忙,让我保持我的奥斯卡希望。 对生

发表于:2019-01-08 / 阅读(62) / 评论(0) 分类 英语美文

美语中,一些感叹词的意义跟字典上的解释不尽相同,要在日常生活中才能体会到。让我们看看以下几个例子: Oh的字典意义是嗬;哦;哎呀,表示惊讶、的恐惧等。但将这个词连起来用,却

发表于:2019-01-09 / 阅读(72) / 评论(0) 分类 实用英语

Air pollution 空气污染 A: I've heard of ground-level ozone but can you explain what it is exactly? A:我听说近地面臭氧,但是你能确切解释一下是什么吗? B:Yes, it's one of the main air pollutants. Factories don't emit it dire

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 职业技术英语口语

Science Fiction-style replications, as seen in TV shows like Star Trek, might be a step nearer to becoming reality. Digital technology means it's now possible to make 3D objects from downloaded designs. Our reporter Li Dong has the details. These fun

发表于:2019-01-19 / 阅读(70) / 评论(0) 分类 世界各地新闻集锦

A: May I exchange this DVD player? B: Certainly. Do you have your receipt? A: Here you are. B: Now, why do you want to exchange it? A: It won't play a DVD. B: I'm sorry. I'll get you a new player. A: At first, I thought it was me. B: Okay, here's a n

发表于:2019-01-20 / 阅读(100) / 评论(0) 分类 购物英语对话

A: I'd like to exchange this DVD player. B: Of course. Do you have your receipt? A: Here it is. B: Now, could you tell me why you want a different one? A: It refuses to play my DVDs. B: That's strange. Let me get you a new one. A: All my friends trie

发表于:2019-01-20 / 阅读(57) / 评论(0) 分类 购物英语对话

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(107) / 评论(0) 分类 纯正英语一分钟

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo

发表于:2019-01-27 / 阅读(71) / 评论(0) 分类 PBS访谈环境系列

BEIJING, Jan. 29 (Xinhua) -- Thirty percent of official cars in Beijing should not be used when there is extremely bad pollution, traffic authorities confirmed Tuesday. The order was implemented on Monday evening to help combat the fourth round of he

发表于:2019-02-04 / 阅读(188) / 评论(0) 分类 英语新闻

口语:周末了 我们去滑雪吧 1. Layer up 一层一层把自己裹起来 Although it can be tempting to purchase the biggest, thickest items of clothing for a ski holiday, the best way to maintain heat is by layering lots of thin layers. When y

发表于:2019-02-09 / 阅读(62) / 评论(0) 分类 英语口语

M: Excuse me! W: May I help you? M: Yes, I'd like to send this book to France. W: Let me weight it first. That'll be 14 dollars. M: Can it go in an envelop? W: Of course, it's 4 dollars now. M: Do I need stamps? W: No, you don't. We use computers now

发表于:2019-02-21 / 阅读(45) / 评论(0) 分类 英语口语

你不来 我不敢老去 Actually, I'm old That I've to let the small tree in front of the door for me shed the leaves off I'm too old as to shell off a layer of earth And another layer of earth once more Seeing these layers of earth I know that goi

发表于:2019-02-25 / 阅读(62) / 评论(0) 分类 阅读空间

此题感谢lgc,是6月28日雅思写作大题目。关于能源危机的解决。此文思路清晰,结构除了建议部分稍显单薄,还是十分合理的,最关键的是本文的词汇功力,可以看出作者应该按照我上课的要

发表于:2019-02-26 / 阅读(134) / 评论(0) 分类 雅思英语
学英语单词
acceptance of portest
aerial navigation viewer
apical angle
Argudan
aseek
astronomical fixation
babba
blocking instruction
bonds drawn
boxhauls
Breitenthal
burndown
Calvitero
choongs
Cimicifuga L.
clay pan chernozer
cloth wearing tester
cochin china sore
croppest
crumblingly
cubicity factor
cumulative fatigue damage
cursor movement keys
direct participation program
disulfo-cyanic acid
ditellurides
divided loyalty
dst(dexamethasone suppression test)
dynamiter
eluation test
error control commands
field scanning rate
fighting efficiency
final degree of utility
Floropryl
focalise
Habla kiln
Haixi
hang reamer
hexahydrite
high-water platform
highfired
humulin
hydraulic pump system
hyperalkaline rock
in plain Saxon
jack catch
keeps in line
Lactuca sativa Bisch.
leather wallet
line emission cloud
long range tactical navigation system
longitudinal suspension
macromandibular deformity
magnetic character recognition
maiga
maleme
marmolet
mixed type source rock
mixing mode
multiple-walled envelope
Nervieux
non-aerated flame
noncongestion
norenol
oilholder
open rhinolalia
orthorhombic form
otta
over-engineer
pipe shoes
pita
plant synecology
plastic working of metal,metal technology of plasticity
point-foussed
prior to seeding
product of tertiary industry
pyromantic
random-walk diffusion
range service manual
rated contact current
resultant temperature
sabha
salvage pathway
San Andrés Tuxtla
Saturnian magnetotail
send ... down
ST_technology_internet-terminology-and-abbreviations
strong topology
sub-expression
sulphinimines
Tacuaral
top surgery
transformer platform
tridecylenic acid
trudy
volume of unit to be evacuated
Woodsia ilvensis
worm sth out of sb
zantedeschia rehmaniis
zero - coupon bond