反转感光材料

[00:03.89]You will hear three pieces of recorded material. [00:08.75]Before listening to each one, [00:12.90]you will have time to read the questions related to it. [00:17.55]While listening, [00:20.72]answer each question by choosing A, B, C or D. [

发表于:2018-12-03 / 阅读(265) / 评论(0) 分类 最新版英语听力教程

[00:03.81]bottom line :结余;结算 [00:05.82]bundle :n.搭售商品 [00:07.49]convention :n.(专业)展览会 [00:09.37]demonstration :n.展示 [00:11.46]entrance :n.入口 [00:13.29]go with :选择;决定采用 [00:15.17]high traffic :a.高流量

发表于:2018-12-31 / 阅读(300) / 评论(0) 分类 商务英语分类核心1000词汇

GRE数学常见表达式汇总 1.is equal to; is the same as = the result is; yields; gives 2.the sum of x and y; the total of x and y; x added to y; x increased by y; x+y x more then y; x greater than y 3.x minus y; x less y; the difference of x and

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 GRE英语

1. 3 college students were arrested Wednesday for allegedly setting fire to 9 Baptist churches across Alabama. One of the suspects allegedly said the first fires were set as a joke. The others were st

发表于:2019-01-08 / 阅读(267) / 评论(0) 分类 美联社新闻一分钟2006

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(209) / 评论(0) 分类 VOA标准英语2014年(二月)

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(202) / 评论(0) 分类 VOA标准英语2014年(七月)

Earth's magnetic field has reversed thousands of times since its formation 4.5 billion years ago. And scientists now believe that the next reversal is imminent. The race is on to predicting exactly when it will occur. In 2010, the European Space Agen

发表于:2019-01-22 / 阅读(150) / 评论(0) 分类 自然百科2011年

As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get increasingly close to the Earth's surface. As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get

发表于:2019-01-22 / 阅读(164) / 评论(0) 分类 自然百科2011年

Glatsmire's model shows that the magnetic poles swap places spontaneously due to / complex processes within the core. We were used to the idea that a compass points somewhere near the North Pole and hence we can use it for navigation, but there are p

发表于:2019-01-22 / 阅读(156) / 评论(0) 分类 自然百科2011年

By analyzing thousands of lava samples, geophysicists discover/ that the Earth's magnetic field has reversed over 18,000 times in the last 20 million years. On either side of these reversals is a long period of dramatically reduced field strength. Du

发表于:2019-01-22 / 阅读(152) / 评论(0) 分类 自然百科2011年

今天我们要学的词是reversal。 Reversal, 是逆转的意思。A reversal of policy, 意思是政策的逆转。A reversal of decision, 意思是改变主意。支持泰国前总理他信的政党在星期天的选举中成为国会第一大党,

发表于:2019-01-26 / 阅读(193) / 评论(0) 分类 英语单词荟萃

By Douglas Bakshian Manila 19 May 2007 International boxing champion Manny Pacquiao can deliver a knockout in the ring, but in the Philippine political arena the super featherweight appears headed for a loss. Preliminary returns from national electio

发表于:2019-02-03 / 阅读(174) / 评论(0) 分类 2007年VOA标准英语(五月)

今天我们要学的词是reversal。 Reversal, 是逆转的意思。A reversal of policy, 意思是政策的逆转。A reversal of decision, 意思是改变主意。支持泰国前总理他信的政党在星期天的选举中成为国会第一大党,

发表于:2019-02-05 / 阅读(165) / 评论(0) 分类 英语每日一词

The United States Wednesday vigorously condemned the military overthrow of the Mauritanian government and called for the restoration of democratic rule. The coup could lead to sanctions by the United States and European Union. VOA's David Gollust re

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 VOA标准英语2008年(八月)

Barbara Walters did a story on gender roles in Kuwait several years before the Gulf War. She noted then that women customarily walked about 10 feet behind their husbands. She returned to Kuwait recently and observed that the men now walked several ya

发表于:2019-02-07 / 阅读(186) / 评论(0) 分类 趣味英语

Topics: Movies - Butch Cassidy and the Sundance Kid; Mount Rushmore; threat versus menace versus peril; using should with have to; role reversal Words: loosely based on outlaw to flee sculpture to carve granite to draw to depict from the waist up to

发表于:2019-02-15 / 阅读(152) / 评论(0) 分类 美语听力 English Cafe

The APP, 'zenkr', allows students to participate in class, not through a show of hands, but by communicating through their smartphones. Users scan a QR code projected on screens with their smartphones or other devices and then answer questions. The r

发表于:2019-02-17 / 阅读(206) / 评论(0) 分类 英语新闻

19.At least 1 CTN. 至少一箱/件。 20.Theres minimum quantity.有最小起订量。 21.Can they be mixed?可以混装吗? 22.Mixed packing.混装。 23.Just a moment. Let me check.稍等,让我查一下。 24.Same price/size. 一样的价格

发表于:2019-02-19 / 阅读(210) / 评论(0) 分类 实用英语

Do you know the open-air art gallery in London's Blackall Street? Not many Londoners know it either, but Henri does and he is willing to show it to you. Henri used to sleep rough until he met a charity that helps homeless people get back on their fee

发表于:2019-02-21 / 阅读(161) / 评论(0) 分类 英语听力精选进阶版

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(193) / 评论(0) 分类 雅思英语
学英语单词
aclj
air pressure regulator
air-pipe
Aishihik L.
anti inflammatories
apple grain aphid
automatic digital input/output system
binny
bites at
blow-jobber
bluing agent
boan (poan)
boring machine
butt virginity
caldera floor
centre selvedge
chowdhry
chromic poisoning
close call
commodity trading adviser's representative
comparative measurement
compole
contact stomatitis
corn-meal
curtisii
deflection-free shell
depreciation rates
docileness
eazel
eucalyptus amygdalinas
exhaust beater
fixed time testing
foundation grouting
ghost at the feast
glass funnel
glyceroldichlorohydrin
gosford
graded gravel
Gtsang dynasty
guided cutting apparatus
gypsic xerosols
ikeda
impactfulness
in inverted commas
insulating glaze
interphone
interpterygoid
intolerable dose
irradiations
iterative attenuation constant
jalapinolate
Lakonias, Nomos
leucyl-beta-naphthylamidase
level soil
linear pseudometric space
Liver Muscle Channel
magnetic tools
metallo chromic indicator
Minamoto Yorinobu
minipretzels
Mirish
naphthaline
nikolayevas
on the morrow of
optical plumbing
organic chemicals
Phoebe kwangsiensis
photophosphorylase
pivot stud angle
plebeja
poverty
precompressed tensile zone
process-control viscometer
production distribution system
purchasing power
reembarked
rehimena phrynealis
renys
reticulated bone
retirement effect
saccharomycetous
self-indexing
simultaneous replacing
small dorso-recti muscle
smooth-talker
source-and-drain junction
spin fluctuation exchange
split wheel
SPLV
station tanker
stshsesns-s
sun-dried brick
surgiant
under-deck shipments
vegetable tanned
villigers
water proof dam
watermeet
Weber, Max
woolly rhino
wuddup
zamis