膜层测厚仪

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(434) / 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(123) / 评论(0) 分类 听一分钟英文-O

人的大脑的结构会影响人的政治立场吗? Alice: Hello, I'm Alice. Rob: And I'm Rob. Alice: And this is 6 Minute English! Weve had a special request from our listeners in Lugano, Switzerland for a more complicated topic this week. Were t

发表于:2018-12-27 / 阅读(110) / 评论(0) 分类 一起听英语

Chapter 9 At the Gas Station 第九章 在加油站 Part 1 Vocabulary 第一部分 词汇 1.gas station/petrol station 1.加油站 2.gas gauge 2.油表 3.run out of gas 3.没油了 4.regular 4.普通汽油 5.unleaded 5.无铅汽油 6.premium 6.高级汽

发表于:2018-12-29 / 阅读(125) / 评论(0) 分类 实境旅游英语

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(158) / 评论(0) 分类 英语课程学习计划和讲义

Alice: Hello, I'm Alice. Rob: And I'm Rob. Alice: And this is 6 Minute English! Weve had a special request from our listeners inLugano, Switzerland for a more complicated topic this week. Were talkingabout the structure of the brain, and how it could

发表于:2019-01-07 / 阅读(145) / 评论(0) 分类 六分钟英语

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(106) / 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(84) / 评论(0) 分类 职业技术英语口语

Media Companies Struggle To Gauge TV Ratings In Age Of Netflix play pause stop mute unmute max volume 00:0003:09repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash p

发表于:2019-01-16 / 阅读(115) / 评论(0) 分类 2016年NPR美国国家公共电台11月

The government will issue real-time air quality monitoring data in 74 cities starting January 1st. The Ministry of Environmental Protection says the data will include PM2.5, a gauge which monitors fine particles with a diameter of 2.5 microns or less

发表于:2019-01-19 / 阅读(93) / 评论(0) 分类 英闻天下

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(124) / 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(81) / 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(123) / 评论(0) 分类 纯正英语一分钟

She spun her snell with silkglands on the underside of her abdomen. The threads harden on contact with air. The trap's set, but she's treading carefully. The web's only sticky in places. She can move around, but others can't. The first bite of the da

发表于:2019-01-22 / 阅读(83) / 评论(0) 分类 自然百科2013年

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(88) / 评论(0) 分类 PBS访谈环境系列

Seroquel is used to treat mental disorders such as schizophrenia, bipolar disorder and autism. They are suspected of causing rapid weight gain, even in the first week of taking the drugs. Researchers have found that some antipsychotic drugs frequentl

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 VOA标准英语2010年(七)月

Pre-Listening Vocabulary observation: something that you see cross section: a view of the inside of something after a cut has been made across it hold true: remain a fact or truth even in other situations ideal: suitable sap: fluid (sugar and mineral

发表于:2019-02-08 / 阅读(314) / 评论(0) 分类 Facts-事实

妊娠糖尿病与心脏疾病有关 WASHINGTON, March 12 (Xinhua) -- Women who develop gestational diabetes may face an increased risk of early heart disease later in life, even if they do not develop diabetes subsequent to their pregnancy, U.S. res

发表于:2019-02-08 / 阅读(103) / 评论(0) 分类 英语新闻

BEIJING, Dec. 14 (Xinhua) -- Construction is to be suspended and use of official vehicles limited in cases where Beijing air quality plummets to extremely bad, under a new rule on curbing air pollution. The rule, to be enacted on Jan. 1, 2013, catego

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 英语新闻

17 Into the Troposphere 第十七章 进入对流层 Thank goodness for the atmosphere. It keeps us warm. 谢天谢地,我们有了大气。它使我们有了个温暖的环境。 Without it, Earth would be a lifeless ball of ice with an average te

发表于:2019-02-25 / 阅读(109) / 评论(0) 分类 万物简史
学英语单词
a scene
adhesive formulation
adjutor
agree like pickpockets in a fair
airlock system
artemisia japonica thunb.
beverageware
biznatch
blood gland
book of bank
brat-packer
catch up on sth
circuit distribution center
closed under multiplication
cocktail napkin
communication outage
composition tool
copener
cow-grass
crisnatol
cue board
cumulative preference shares
date commenced
DHD
duraluminium alloy
duvancic
electrode gap
elevating chain
fagaceous
fisherboys
fission
foreordinate
gangst
grindelic acid
gynaecomasty
half-notes
Heptacodium miconioides
history of sequential process
Hodgkin's granuloma
holotoxins
homebased
homination
hot-isostatic-bonding and pressing process
human movement
initX
kathode ray
Keller-Kiliani reaction
lint cotton
man-eater shark
mannose-6-phosphate
media center
microwave skin depth
movable rail
myoelectric limb
Nakuru, L.
natural language processing system
nerve of pterygoid canal (or vidian nerve)
neuroparalysis
NSC-14369
olap
olfactophobia
otophorum
p-nitroaniline
panarteritis nodosa
penicillin gs
perfect lattice
phloem tissue
pichler
plate girder web splice
polot flame
polychromatophilic
positive static liquid head
prepalin
protoctistans
pseudankylosis
public hearing
puerper
pulse frequency diversity
pyrolytic-graphite semiconductor
Quebeckers
rectilinear lens
rolling piece
roxboroughs
Salvia hylocharis
scrinch
sets of direction observation
social dominance theory
sublimers
super microprocessor
swrc
synthesizing
tanker loading terminal
terahedral tool maker's straight edge
the middle
thrible
thymolsulfonic acid
us -fashion
variable displacement
vertical spindle cutter
whistling buoy
worry impairing spleen
yobby