可控气氛热处理

Unit 9 Text A Listening First Listening Before listening to the tape, have a quick look at the following words. greenhouse effect 温室效应 alter 改变 release 排放 carbon dioxide 二氧化碳 t

发表于:2018-12-04 / 阅读(59) / 评论(0) 分类 21世纪大学英语读写教程

The Earth's Biggest Threat 地球危机──温室效应 by Levi King Global warming was once considered unlikely to be real. Recently, though, it has become widely accepted as fact. Scientists have calculated that the earth's atmosphere has gotten

发表于:2018-12-08 / 阅读(59) / 评论(0) 分类 常春藤解析英语

[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(148) / 评论(0) 分类 北师大版高中英语模块8(选修)

An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ

发表于:2018-12-16 / 阅读(74) / 评论(0) 分类 VOA标准英语2010年(十一)月

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. Cancer treatments usually involve powerful drugs or radiation. But

发表于:2018-12-16 / 阅读(79) / 评论(0) 分类 VOA标准英语2010年(十)月

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(86) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Using science as a guide, we attempt to recreate the final moments of the dinosaurs. 我们以科学为指引,试图重建恐龙的最后时刻。 The first effect was the impact itself. 第一个效果是撞击本身。 So when a 10-kilometer diam

发表于:2018-12-28 / 阅读(50) / 评论(0) 分类 侏罗纪搏击俱乐部

Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 VOA标准英语2015年(五月)

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(99) / 评论(0) 分类 科技之光

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. About a billion years from now, some scientists say, the sun will be too bright for comfort, and our formerly hospitable planet will no longer be able to

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(六)月

AS IT IS 2016-03-11 Aung San Suu Kyi 'Apologizes' to Supporters昂山素季为未能成为下届总统而道歉 The longtime opposition leader of Myanmar, Aung San Suu Kyi, has apologized for not becoming the countrys next president. She posted a let

发表于:2019-01-12 / 阅读(138) / 评论(0) 分类 2016年VOA慢速英语(三)月

今天我们要学的词是heat。 大家都知道heat是高温的意思,那么不难想象,引伸一下,heat也可以理解为压力。还有两个多星期,美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid

发表于:2019-01-20 / 阅读(86) / 评论(0) 分类 英语每日一词

The difference is that when you have a lot of gas, a lot of stuff orbiting around the black hole, there is a little bit of friction that causes matter to slowly spiral in towards the black hole. As gas continues to spiral in towards the Event Horizon

发表于:2019-01-23 / 阅读(56) / 评论(0) 分类 探索与发现2013年

Earth's Fried Far-Future Postponed A study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports. [The followin

发表于:2019-01-30 / 阅读(108) / 评论(0) 分类 60秒科学

One of the really exciting and high-level scientific interests is whether Venus is geological active today, because there are reasons to think of the clouds on Venus only exist, because there is ongoing geological activity, so this is one of the bigg

发表于:2019-02-15 / 阅读(124) / 评论(0) 分类 自然百科2012年

Lesson 4 Technology 第四课 科技 December 7 12月7日 Toy Cars, Helicopters and Planes! 遥控玩具! Read it! 读读看! Alex has a remote-controlled car. 亚力克斯有一辆遥控车, Rob wants to drive it now, but he can't. 罗柏想要现

发表于:2019-02-16 / 阅读(107) / 评论(0) 分类 大家说英语

December 8 12月8日 Read it! 读读看! Randy has all kinds of remote-controlled toys. 兰迪拥有各式各样的遥控玩具。 He keeps a tiny helicopter on his desk. 他的桌上放着一架小直升机, It uses batteries for power. 是用电池

发表于:2019-02-16 / 阅读(78) / 评论(0) 分类 大家说英语

10月7日《中国新歌声》鸟巢总决赛第二轮中,那英战队的马来西亚华人女孩李佩玲第一个出场,她也是六强中年龄最小的学员,只有16岁。独唱环节,她选择的是中、英文混搭的《Let It Go》,获

发表于:2019-02-20 / 阅读(70) / 评论(0) 分类 英乐时空

爱自己 Do not compare yourself to others. 不要拿自己和别人相比 Measure your own successes based on your progress,and only yours. 基于你自己的努力来衡量一下你的成功,只是你自己的。 All of our lives are unique, and

发表于:2019-03-06 / 阅读(152) / 评论(0) 分类 英语听力广播—Listening

Estimating crossing LV NDB 1123. 402. 预计1123飞越LV NDB台。 Passing POU at 43, maintaining FL310, estimating MLT at 55, next NLD. 403. 当前位置POU,时间43分,高度310,预计MLT55分,下一位置NLD。 BKM 47, FL170 descending to

发表于:2019-03-10 / 阅读(207) / 评论(0) 分类 飞行员英语900句
学英语单词
adult mosquito
adult-student
affine strain
after payment type public telephone
amniotes
antiknock value
APCG
assili cotton
Atty. Attorney
audio-cd
band form nucleus
bandabast
beaded reducing elbow
bean-eater
between deck tonnage
big porcupine creek
Book of Concord
bottom hands
Buyukkaristiran
casing string
combined read/write head
continuous-process production
crenna
curetted
custom-designing
cutting technology
cyproquinate
danthonia
debris loading means
degree of
dehydrating press
donaet
e-mail address
electrode weight
etherealizations
fair-trader
Federal Excise Tax USA
filmwise boiling
float-cut-file
flow modifier
fore-and-aft distance
gaussian random vibration
gloeoporus dichrous
hadler
heliophila
herrett
heterohemolysin
hypocoristic
intensified oil production
inverted superposition
jacquard casting-out
kau
Kitrah
Komsomol's'k
l'humanite
ledovskaya
Malampaya Sd.
mantologist
manufacturing operating system
mastoid (bone)
minueting
Nkoteng
noncoercive form of administrative action
orcetic
ovalize
pancreaticoduodenal
Polygonum amphibium
polysebacic anhydride
proposituses
pulse-forming panel
raw talents
recency error
recording message
red cell volume
reference counter
reroll
rock bound
rope railway
Sabouraud's glucose agar
school-to-work
scriber point
sedimentation mode
sheep-track
single phase microstructure
span efficiency factor
spectabile
standing tackle
stationary process
STDZN
Stravinski Seamount
sunnyslope
telstar
tethina orientalis
that's a new one on me.
theatrettes
transethmoid sphenoidal approach
Turks Islands
turn circle radius
used-to-be
Valuyskiy Rayon
wet sand yard
WR (Whiteshell Research Reactor)