氟大气层

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(221) / 评论(0) 分类 自考英语(一)78讲

9. air/gas/atmosphere The room was so stuffy that it felt like there was no air. Did you remember to switch off the gas? Despite the argument which took place earlier , the atmosphere was amicable.

发表于:2018-12-01 / 阅读(160) / 评论(0) 分类 美语烘焙屋 ABC Bakery 1-4季(PDF文本下载)

[00:00.00]When the spaceship was doing its seventh circle [00:03.54]Yang Liwei showed the flags of China [00:05.67]and the United Nations, [00:07.43]expressing the wishes of the Chinese people [00:09.64]to explore and use space peacefully. [00:13.21]

发表于:2018-12-04 / 阅读(209) / 评论(0) 分类 北师大版高中英语模块1

[00:02.25]第八单元 课文A [00:04.49]Telecommunication via Satellite [00:06.71]卫星通信 [00:08.93]At the beginning of the twentieth century, [00:11.31]20世纪初 [00:13.69]there were four powerful means of transmitting and receiving information [00:17.37

发表于:2018-12-04 / 阅读(87) / 评论(0) 分类 大学英语自学教程上

[00:04.53]Unit 22 Environmental Protection [00:08.85]Lesson 1 Global Warming [00:12.39]Can we take the heat?In the last few decades, [00:16.95]environmentalists have reported [00:19.02]that human beings are causing changes [00:22.29]in the Earth's cl

发表于:2018-12-13 / 阅读(167) / 评论(0) 分类 北师大版高中英语模块8(选修)

Key Telephone System (KTS) KTS is an arrangement of multi-line telephones and associated equipment that permits the station user to depress buttons (keys) to access different central office or PBX lin

发表于:2019-01-03 / 阅读(82) / 评论(0) 分类 电信英语

For more on the preparatory work before the election, our correspondent Wisam Al Bayati joins us from Baghdad. Thanks for joining us Wisam. Q1: What are the atmosphere and security situation where you are, one day before this important election? Q2:

发表于:2019-01-05 / 阅读(176) / 评论(0) 分类 CCTV9英语新闻2014年04月

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 Scientific American(十二)月

盛产童话故事的北欧,当地时间6月19号全球的目光都聚集到瑞典的首都斯德哥尔摩,因为这一天在那里举办了一场公主维多利亚与平民韦斯特林的世纪婚礼,据报道全球共有5亿人共同见证这次

发表于:2019-01-11 / 阅读(79) / 评论(0) 分类 天籁音乐

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a plan to stop the disease malaria in Africa by twenty fifteen. We will also tell about a change of leade

发表于:2019-01-11 / 阅读(139) / 评论(0) 分类 VOA慢速英语2008(十)月

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(119) / 评论(0) 分类 VOA标准英语2010年(十)月

听力题目: 11.(A). Does that song sound familiar? (B). We knew a dozen familiar songs. (C). I may have heard that song before. (D). Can you record the song for me? 12.(A). It shouldnt be so hot. (B). It isnt very light. (C). It couldnt be much d

发表于:2019-01-18 / 阅读(133) / 评论(0) 分类 托福听力单句训练

LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E

发表于:2019-01-20 / 阅读(123) / 评论(0) 分类 英语新闻

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(276) / 评论(0) 分类 英语时差8,16

A TOURIST has spent eight years travelling across 37 countries with the equivalent of $2, relying on his bicycle for transport. Keiichi Iwasaki, 36, left his Japanese home in 2001 with just 160 Yen ($2) in his pocket after becoming bored with his air

发表于:2019-02-07 / 阅读(97) / 评论(0) 分类 阅读空间

On earth, most of the methane in the atmosphere has been belched by living organisms, 在地球上,大气中的大部分甲烷都是由活着的生物体喷出的, so finding the gas on Mars would be happy news for seekers after extraterrestrial

发表于:2019-02-16 / 阅读(109) / 评论(0) 分类 经济学人科技系列

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘

发表于:2019-02-16 / 阅读(117) / 评论(0) 分类 经济学人科技系列

atmosphere 大气 climate 气候 elements 自然力量(风 、雨) temperature 气温 to be warm, to be hot 天气热 to be cold 天气冷 frost 霜 hail 冰雹 snow 雪 thunder 雷 wind 风 mist 雾 cloud 云 haze 霾 rain 雨 downpour, shower 暴雨

发表于:2019-02-21 / 阅读(105) / 评论(0) 分类 英语学习方法

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(146) / 评论(0) 分类 英语听力文摘 English Digest

雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实

发表于:2019-02-26 / 阅读(132) / 评论(0) 分类 雅思英语
学英语单词
2-Mercaptopyridine
accumulated register
acetylarsan
advise of
Agbara-Igbo
argyrosis of conjunctiva
batch transaction file
Battle Lake
beggar's plush
Berlinguet Inlet
best-efforts agreement
biffin'
blepharitis internus
branching network
Bundt
bushfighter
calate
capital surplus
carbon lamp
cassall
caused by bundle slack
constructional iron works
crossforge
DAW (dry active waste)
dead space
deathcare
decelostat
delay action starter
disturbance of electromagnetic field
dough-boy
exclusive-OR gate
fatigues
feeding hopper
fermentation process(es) for vitamin production
fitting straight line
genual sulci
greets
ground reflection
hang in the scales
home-cured
huzzes
inductive loop detector
instruction regarding explosive picked up at sea
interferonogen
irrigation system of sewage
Kennedy International Airport
Lentvaris
level plug
linguistic convention
MacConkey's bouillon
macroassembler directive
manufacturing cycle time
medscanner
meili
mesothoriumI
Mocó, R.
non contacting switch
nondiagnostic
nonlinear least squares method
oldenbarnevelt
organic silicon furan resin
ovarian steroidogenesis
palatine canal
papillary layer
paradipsia
paralithic contact
path tracing
Pendleton, Mt.
people-all
photolectric reader
picabia
platinum-molybdenum alloy
plutonium molybdate
potential surface
premium amortization
pretranscription
progressive schedule
Proterocameroceras
protest for non payment
psychomotor tic
pulse stretcher
put on the buskin s
rank defect network adjustment
respond pesticide
roof step
sagita
scatter plate
school of experimentation
short-limbed
shoulder of baseplate
slutcunt
storiations
supersheer
symbolic input/output referencing
target indicator (ti)
thaumaturgistic
three-gun turret
thyronyl-
undertune
wine-shops
yanta
zone melting