密度分离法

The World’s Top Ten Destinations 1 Ankor Wat is part of a vast network of around a hundred ancient temples hidden deep in the Cambodian 1) jungle. A thousand years ago, this was a 2) thriving wooden

发表于:2018-11-28 / 阅读(196) / 评论(0) 分类 疯狂英语2003年

The wolves thus addressed the sheep-dogs [00:02.38]Why should you, (1)-{who are like us in so many things [00:06.11]not be entirely of one mind with us [00:09.33](2)-{and live with us as brothers should [00:11.78]We differ from you in one point only.

发表于:2018-11-29 / 阅读(177) / 评论(0) 分类 决胜四级听力必备

[00:03.89]deed deem deep deepen [00:08.76]n.(已完成的)行为, vt.认为,相信 a.深的,深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷,缺点 [00:22.88]de

发表于:2018-11-30 / 阅读(125) / 评论(0) 分类 考研英语词汇2005

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(99) / 评论(0) 分类 万花筒2006年

[00:11]Day 27 [00:13]democratic [00:14]E-mail is a convenient, [00:16]highly democratic informal medium [00:19]for conveying messages that [00:21]conforms well to human needs. [00:25]density [00:26]The population density is about 500 people per squar

发表于:2018-12-18 / 阅读(203) / 评论(0) 分类 星火英语四级2000核心词

Tokyo A state of the art financial marketplace, a metropolis 1 of exquisite politenesses, a city that is monstrously large yet has astonishing beauty in its details these are a few of the myriad 2 way

发表于:2018-12-30 / 阅读(353) / 评论(0) 分类 英语沙龙2004全年合辑下

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 Scientific American(十一)月

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 阅读空间

If we look at the sky on a perfectly fine summers day we shall find that the blue colour is the most pure and intense overhead, and when looking high up in a direction opposite to the sun. Near the horizon it is always less bright, while in the regio

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 英语美文

Only 9 percent of people in China live in an environment that meets the national air quality standards, according to a scientific journal article. 根据一篇科学期刊文章表示,只有9%的中国人生活在符合国家空气质量标准的环

发表于:2019-02-03 / 阅读(81) / 评论(0) 分类 英语新闻

We all make resolutions every year to keep fit whether we have diabetes or not. The difference is that as people with diabetes, we need to keep fit, and we know that even if we don't do anything about it. One only has to read the medical abstracts an

发表于:2019-02-03 / 阅读(156) / 评论(0) 分类 实用英语

BEIJING, Jan. 29 (Xinhua) -- China's meteorological authority has introduced a new weather warning system for smog which will use readings of PM 2.5, a particle pollutant. The announcement comes as thick haze chokes many cities. The National Meteorol

发表于:2019-02-06 / 阅读(92) / 评论(0) 分类 英语新闻

Air quality in 271 out of 338 prefecture-level or above citiesfailed to meet national standards on the Chinese New Year Eveto 6 am the next morning on Feb 8, primarily because ofpollution caused by firecrackers. 除夕至8日清晨6时期间,在全国

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 阅读空间

Chinese telecommunications giant Huawei launched its new Nexus 6P smartphone in Spain on Tuesday. 中国电信巨头华为于本周二在西班牙正式发布新版旗舰智能手机Nexus 6P。 The phone, which was unveiled in October, will be availa

发表于:2019-02-08 / 阅读(69) / 评论(0) 分类 英语新闻

The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代,宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres

发表于:2019-02-16 / 阅读(95) / 评论(0) 分类 经济学人科技系列

Times Higher Education (THE) last Wednesday reveals its BRICS And Emerging Economies University Rankings 2017. 《泰晤士报高等教育》(THE)于上周三公布了2017年《金砖国家和新兴经济体大学排名》。 China's institutions

发表于:2019-02-18 / 阅读(105) / 评论(0) 分类 英语新闻

The proportion of hazardous metal toxins in PM2.5 in Beijing has decreased for the past three years, which experts lauded as the initial achievement of the city's anti-smog measures. 过去三年,北京市PM2.5中对人体有害的金属毒素的比重

发表于:2019-02-18 / 阅读(120) / 评论(0) 分类 英语新闻

Beijing expects to implement the pre-commercial service of the 5th generation mobile networks, or 5G, in key locations by 2020, according to a development plan on big data and cloud computing released by the municipal government. 北京市政府近日发

发表于:2019-02-18 / 阅读(102) / 评论(0) 分类 英语新闻

Housing 楼市 Modest plans 温和战略 The government goes back into housebuilding 政府重回地产建设 WHEN George Osborne is spotted outsideWestminster, he is very often making an appearance on a building site, wearing a fluorescent safety ja

发表于:2019-02-24 / 阅读(97) / 评论(0) 分类 经济学人商业系列

21. Eliminating problems by transferring the blame to others is often called scape-goating. 21. 用怪罪别人的办法来解决问题通常被称为寻找替罪羊。 22. The chief foods eaten in an

发表于:2019-02-26 / 阅读(87) / 评论(0) 分类 实用英语
学英语单词
acidergic
acoustic sound room
Adams-Stokes syndrome
all speed governor
Andorinha, Cachoeira
antiterrorism
area of wetted cross-section
ascending velocity
automobile elevator
baddeleyitic
biostructures
Birkhoff's theorem
boiler paint
burner firing block
cadastral file
Calamus melanochrous
calcioburbankite
camera taking characteristic
cheiloses
citizen journalist
close winded
constant delay discriminator
contingency-type distributions
crisic
Crypsis aculeata
culicoides (trithecoides) subpalpifer
cultural pot
dandering
dash thermometer
distachyon
educated guesses
elvegust
epithelialise
far - reaching significance
Fargesia communis
fault isolation
fifty fifty practice
finance and trade
finish two sides
fluperolone
full-grain
gas purifying process
grate heating intensity
hardness sensor
hartridge
horse-dealers
hotspot finder
hyperfine quantum number
IMers
in quantity
innovationists
intentional learning
interunit
inventory of taxes
jerk transducer
K. C.
labyrinthine hemorrhage
laccoptera nepalensis
larkiness
lens crystallina
libant
liquefied-gas aerosols
Lithocarpus leucodermis
magnetic oil
manometer tap
mesh gage
mpac
multi-torch flame planer
normal incident absorption coefficient
one shoot
organized anarchy
pawment
Pithecinae
podura aquatica
precray
primary training gasoline
prod type pyrometer
prolongeth
pte ltd
pull-throughs
pyromucic acid
receivables
relation to
resedimentations
rice-wheat growing area
Riemann-Hilbert problem
ship with assymmetrical afterbody
shoot the pier
slators
smilaxes
smooth-spoken
softone
stood against
success-failure
temptableness
tiranas
Tongsan-ri
Totacillin
trip-charter
undecene diacid
vergerism
zoochores