石英管定硫试验

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(310) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

发表于:2018-12-28 / 阅读(155) / 评论(0) 分类 侏罗纪搏击俱乐部

[00:02.99]3 Listen and order. [00:07.30]You will hear Miss Wang give instructions on [00:10.67]how to use a Bunsen burner. [00:14.04]Listen to the instructions [00:15.94]and number the pictures in the correct order. [00:20.12]Number the steps 1-8. [0

发表于:2018-12-29 / 阅读(292) / 评论(0) 分类 外研社新标准初中英语九年级

Robots have at least one unfair advantage over human workers: they do not pay income tax. 与人类劳动者相比,机器人至少有一个不公平的优势:不用缴所得税。 Bill Gates, co-founder of Microsoft and the worlds richest man, th

发表于:2019-01-07 / 阅读(157) / 评论(0) 分类 英语新闻

Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an

发表于:2019-01-07 / 阅读(256) / 评论(0) 分类 六分钟英语

In an Aesop fable, a thirsty crow wanting to drink from a pitcher must first raise the water level. So he drops pebbles in the container. In real life, the European Jay can perform the same task. But just how smart is it? Researchers challenged jays

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(八)月

London's 'Tube' Plays Crucial Olympics Role Massive overhaul Head into the Tube and you never quite know what you might find. With 12 million passengers passing through every day - and three million more expected during the Olympics - the Tube is its

发表于:2019-01-13 / 阅读(221) / 评论(0) 分类 VOA标准英语2012年(七月)

'Test Tube Burger Provides Meatless Alternative Paying $330,000 for a hamburger might seem like a lot, but that's what it cost for scientists in the Netherlands to prove it's possible to make a meat-like pattie from a cluster of muscle cells. At the

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2012年(三月)

BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn

发表于:2019-01-16 / 阅读(311) / 评论(0) 分类 伦敦生活

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下,有必要的话,戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(134) / 评论(0) 分类 TED演讲教育篇

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(185) / 评论(0) 分类 实用英语

JUDY WOODRUFF: And now to a second tech story, this about the public launch of Twitter.The social media giant announced late yesterday that it plans to raise $1 billion by offering shares soon through what's called an IPO. Started just seven years ag

发表于:2019-01-22 / 阅读(156) / 评论(0) 分类 PBS访谈商业系列

Wk 30 (25 July 1978) World's First Test Tube-Baby Is BornThis Week in HistoryLouise Brown, the world's first test tube baby, is born in Manchester, England. In 1978, the world's first test tube baby, Louise Brown, was born in Oldham and District Gene

发表于:2019-01-22 / 阅读(155) / 评论(0) 分类 英语新闻与报道—News and Reports

What? No, don't put me on hold. on hold:等着通电话 什么? 别啊,别让我再等了。 -Howard:Do you believe him? 能相信吗? Normally around women, he has the personality of a boiled potato. Normally:通常 personality:个性 bo

发表于:2019-01-28 / 阅读(167) / 评论(0) 分类 生活大爆炸第二季

It didnt take long for the Brazilians to rewrite the norms of Olympic fandom. 巴西人没用几天就改写了奥运会观赛规则。 The list of Olympic participants targeted by Brazilian boos is long and varied: Russians, due to its doping scanda

发表于:2019-02-01 / 阅读(167) / 评论(0) 分类 趣味英语

Fashion trends keep changing. Every season designers seem to enjoy surprising people with something new. 时尚潮流千变万化。每到新的一季,设计师们似乎都热衷于用新鲜事物惊艳我们的眼球。 This spring is no exception

发表于:2019-02-01 / 阅读(184) / 评论(0) 分类 阅读空间

Theres a zillion characters in Game of Thrones, even after a bunch of them have been brutally bumped off. But among the likes of Tyrion, Bran, Dany, and pals, whos really the main character? A team of mathematicians used a power far beyond Melisandre

发表于:2019-02-07 / 阅读(141) / 评论(0) 分类 阅读空间

Aquamarine 海蓝宝,兰玉 Garden Crystal 绿幽灵 Azurite 兰铜矿 Aventurine 砂金水晶 Amethyst 紫水晶 Ametrine 紫黄晶 Amber 琥珀 Emerald 翠玉 Onyx 黑玛瑙 Opal 蛋白石 Obsidian 黑耀石 Carnelian 红玉髓 Calcite 方解石

发表于:2019-02-13 / 阅读(180) / 评论(0) 分类 实用英语

Swiss watches and the Apple Watch 瑞士手表与苹果手表 It's not about time 这和看时间没有关系 Traditional watchmakers are confident they can see off Apple's new bauble 传统手表制造商有信心看到苹果华而不实的新玩意儿

发表于:2019-02-25 / 阅读(149) / 评论(0) 分类 经济学人商业系列

George Daniels 手握乾坤:制表大师乔治丹尼尔斯 George Daniels, master watchmaker, died on October 21st, aged 85 近250年来最伟大的制表师乔治丹尼尔斯(George Daniels)于10月21日去世,享年85岁。 A SCHOOLBOY once

发表于:2019-02-25 / 阅读(161) / 评论(0) 分类 经济学人综合
学英语单词
.vsl
acid stainning
adly
after guy
allowed spectrum
alternate lay wire rope
An Nabī Yūnus
anithers
antrim mts.
articles accompanied by passenger
As Sidr
asplenium tenuifolium don
autochthonies
automatic detonator placer
baldheaded anticline
beam catcher
breakout effort
brother of one's brother-in-law
brown hairstreaks
card punched unit
civilianizes
clausse
cockmunchers
compensation for land
continuous heavy duty service
conventional indication
coupledom
curved surface area
dimsyl
dual angular structure
dussourd
dyncms
echoic word
electron reaction
electrostatic fields
experimental setting
falling test
feminicide
formal potential
formylglycine
give credence to
glass-paper block
heathenly
himantosis
hingham
incisive bone
Juncus alatus
just seventeen
law enforcement access area
lay one's hopes on
lisetite
manganese(ii) bromide
Mokre, Jezioro
mop
Mwenezi(Nuanetsi)
nulli secundus
oliner
one-and-a-half-hours
Orr, Robert Gordon
other some
outward(s)
overamps
overseas investment guaranty program
plow carriage
plunger spacer
police office
probabilistic safety analysis,PSA
Protofenicol
Qomsheh
radio announcers
relay coil
reshipments
retimid-ester
rijn
Sacueni
Salazopyrine
saunterers
sea satellite (seasat)
seek help
senoritas
silly billy
slinger ring atomizer
sound-energy density
spare hand
specialized wharf
spirits away
splack
subschools
switch-light
Talmudic
tangential out-of-phase
technical review authority
theory of adaptation
trade wind climate
transmission pipeline
Twisday
unfreakish
valence electrons
vitreous silica fiber for textile use
with violence
xyster
your telex