【分子生物学】氯化铯密度梯度离心(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(300) / 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(269) / 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(198) / 评论(0) 分类 考研英语词汇2005

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(160) / 评论(0) 分类 VOA标准英语2014年(六月)

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(165) / 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(271) / 评论(0) 分类 星火英语四级2000核心词

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(212) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(151) / 评论(0) 分类 自然百科2009年

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(137) / 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(217) / 评论(0) 分类 实用英语

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(144) / 评论(0) 分类 地道美语播客

The old adage that there are lies, damned lies, and statistics is, funnily enough, rather hard to find an original source for. 俗语有云:世上有三种谎言:谎言,该死的谎言,以及统计数据。但有趣的是,很难找到这句话

发表于:2019-02-05 / 阅读(135) / 评论(0) 分类 阅读空间

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(188) / 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(123) / 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(129) / 评论(0) 分类 英语新闻

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(176) / 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(178) / 评论(0) 分类 英语新闻

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(248) / 评论(0) 分类 《海底两万里》中英双语有声读物

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(150) / 评论(0) 分类 实用英语
学英语单词
acceptance of a theory
Actifral-D3
advertisingdepartment
altax
azimuth error of closure
Azma-Aid
basil the greats
bayville
bdsc
beat sb to a frazzle
benefit analysis
book-size
Buck's operation
capy
carotid ganglia
centripetal forces
Chaoyang
clathrin triskelion
clear-cuttings
cold cathode fluorescent lamp
color coding paints
composition cloths
conical pivot
crucible furnace inductor coil
cyclconic circulation
density of goods traffic
diploid
dispensing with service
dwarf ginseng
end-of-message check
enrichd
enteroneuritis
fast ion conducting material
fender spring box
fine-wire
floodability
francois-marie arouets
fruitcake
genus coreopses
geomorphological remote sensing
germ-carrying
globical
goggle-eye
gossoon
halsell
headaches
hpt
imbitterers
insulating paper
intelligence transmission
investment strategies
Ipomoea aquatica
keep open table
killed spirit
lead screw lathe
Lithocarpus uvariifolius
loschiavo
MA-scope
man-made electrical noise
meteors
multiple motor unit
nominal wages
optical bus
order of
paed-
photometric parameters
plant-derived
played possum
point rail,nose rail
pre-rock
psycho-dramas
Puerto Huitoto
ranging accuracy
readorn
relevant department
robertsite
run-off-tab
school-building
scroll ribbon
sensitivity of micro-phone
should'a
Sikkimese
slipping rib cartilages
Slovenians
spawled
spillingly
straight-from-the-shoulder
structural psychology
sub-panel
subnucleus
supra-national institution
SYNC (synchronizer)
tears with mucopurulent secretion
thin-layer controlled potential electrolysis absorptometry
total rediation power
trucking expense
tunnel heading
upbreathing
vavasors
veterinary hygiene
yu-bong