互补DNA探针

By Jessica Berman Scientists with the U.S. space agency NASA have begun investigating the crash landing Wednesday of the Genesis space capsule in Utah. The mission came to a disastrous end when a para

发表于:2018-12-08 / 阅读(169) / 评论(0) 分类 VOA2004(下)--健康科技

[ti:UNIT 2 DNA Lesson 10 What Is DNA?] [0:02.300]UNIT 2 第二单元 [0:03.936]DNA [0:06.098]Lesson 10: 第10课: [0:07.918]What Is DNA? 什么是DNA? [0:10.668]THINK ABOUT IT! 想一想! [0:12.400] Do you and the students near you look the sam

发表于:2018-12-10 / 阅读(203) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

很多人分不清compliment和complement。原因很简单:它们的发音相同,拼写也相似,但是,二者的意义则完全不同。 如果你compliment某人,你就是在表达对他们的赞赏,或者因为某件事而表扬他们。

发表于:2018-12-16 / 阅读(311) / 评论(0) 分类 李阳疯狂说英语

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(140) / 评论(0) 分类 2018年NPR美国国家公共电台11月

The 6th CF40-PIIE Economists Symposium A joint report from the China Finance 40 Forum (CF40) and Peterson Institute for International Economics (PIIE) said economic complementarity has led to win-win results in Sino-U.S. bilateral ties. It says struc

发表于:2018-12-20 / 阅读(168) / 评论(0) 分类 2017CRI中国国际广播电台

今天我们要学的词组是probe。 Probe的意思是彻底调查。伊拉克政府最近调查萨达姆被处决时为什么会出现嘲弄等混乱局面,以及处决过程是如何被秘密录像的,Iraq is probing the disorder during Sadda

发表于:2018-12-30 / 阅读(158) / 评论(0) 分类 英语每日一词

By Paul Sisco Washington 13 July 2007 NASA scientists have unveiled details of the space agency's plans to pierce the icy surface of Mars, near its north pole. The mission is designed to find evidence of water or life on the red planet. VOA's Paul S

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(七月)

Are You Good at Logistics? 你擅长物流吗? Now, the VOA Learning English program Words and Their Stories. On todays show we look at a few words as they relate to a famous story in American history: the Lewis and Clark Expedition. In 1803, the Uni

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2015年VOA慢速英语(十)月

By Alisha Ryu Nairobi 23 July 2007 Ethiopia's Ogaden National Liberation Front rebels are urging the United Nations to launch a fact-finding mission in the Ogaden region to confirm mounting reports that the Ethiopian military is committing war crimes

发表于:2019-01-12 / 阅读(172) / 评论(0) 分类 2007年VOA标准英语(七月)

NASA Probe Proves Einstein Right Albert Einstein was right. The U.S. Space Agency (NASA) released data this week from its Gravity Probe B spacecraft, whose primary mission while in Earth's orbit was to test Einstein's 1916 Theory of Relativity. While

发表于:2019-01-14 / 阅读(210) / 评论(0) 分类 VOA标准英语2011年(五月)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-26 / 阅读(136) / 评论(0) 分类 英语单词荟萃

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 英语新闻

By Paul Sisco Washington 14 May 2008 The U.S. space agency's Mars probe is within weeks of landing near the Red Planet's north pole. NASA scientists in Washington recently talked about what they call the mission's seven minutes of terror. That is how

发表于:2019-02-03 / 阅读(146) / 评论(0) 分类 VOA标准英语2008年(五月)

Can 外壳 Capacitance 电容 Capture cross section 俘获截面 Capture carrier 俘获载流子 Carrier 载流子、载波 Carry bit 进位位 Carry-in bit 进位输入 Carry-out bit 进位输出 Casc

发表于:2019-02-05 / 阅读(145) / 评论(0) 分类 实用英语

LONDON Whats being billed as the future of skin care starts suspiciously like a visit to the dentist: with a mouthwash gargle. Thats to eliminate debris that may interfere with a good saliva sample, from which DNA will be extracted and serums tailore

发表于:2019-02-06 / 阅读(162) / 评论(0) 分类 阅读空间

By Michael Bowman Washington 12 June 2008 The U.S. space agency is planning to send a probe to the sun to gather data and shed light on basic questions about how the star operates and its effects on Earth. VOA's Michael Bowman reports from Washingto

发表于:2019-02-08 / 阅读(145) / 评论(0) 分类 VOA标准英语2008年(六月)

By Derek Kilner Nairobi 20 March 2008 Members of an international commission tasked with investigating the conduct of Kenya's disputed December elections have arrived in the country and have been sworn in. Meanwhile, concerns are emerging about how a

发表于:2019-02-12 / 阅读(107) / 评论(0) 分类 VOA标准英语2008年(三月)

China plans to launch Chang'e-4 lunar probe to the dark side of the moon in 2018, as announced by China's State Administration of Science, Technology and Industry. Liu Jizhong, director of the lunar exploration program and space engineering center, s

发表于:2019-02-14 / 阅读(115) / 评论(0) 分类 2016CRI中国国际广播电台

BEIJING, April 21 (Xinhua) -- More inspection teams have been sent to investigate the incident of contaminated drug capsules and find out those held responsible, said the State Food and Drug Administration (SFDA) Saturday. Inspection teams from sever

发表于:2019-02-17 / 阅读(155) / 评论(0) 分类 英语新闻

BAIKONUR, Kazakhstan, Nov. 9 (Xinhua) -- Russia's Phobos-Grunt probe and China's Yinghuo-1 satellite were launched from the Baikonur cosmodrome in Kazakhstan on a Zenit-2SB rocket at 00:16 am Moscow time Wednesday (2016 GMT Tuesday). The main aim of

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 英语新闻
学英语单词
al khizami
aldehydic hydrogen
alpe
alternating field demagnetization
annos
antinuclei
assistant purser
axle brass
bacterial fertilizer
barnes and noble
bentsher
black kite
brachystaphyline
bumps into
butterfly fillet
carcinomata
Casanovan
case plank broken
Clerodendrum fortunatum
communication director
compound exciter
costellaria obeliscus
crew's pantry
cross-referrings
death squad
disseason
Doctor Medicinae
drift development
dry type recording
emergency stop(function)
energy-losses
extended interface
extradition crime
Farsφ
Fehling's solutions
firstable
fish-pool
fixed time incrementing
floor-crossing
full flavour
genderising
genus dioscoreas
get to sb
hailed
hard soap
heating medium outlet
houses of God
infection thread cellulose
irradiation range
kapteyn
kolars
Kulenkampff's plexus anesthesia
lactacidin
laindons
language assistant
likert
maharanas
Malchiner See
mangotsfields
Michurin
motor reflex
Multicon
musa textiliss
nazianzen
nonfactory
overrepresent
oxyphenarsene
phlebosis
phosphohexose
physiques
plaster of paris saw
praesumptio juris tantum
Prenolone
printing intercept routine
quadricrural
quakenbush
radar silo
readbacks
remote sensing expert system
rounded stem
run yourselves out
safety explosive
sampling by thermal precipitation
scaphohydrocephaly
schnorchels
sex-dance
slag-brick
sodium ironoxalate
spontaneous combustion period
sponza
superposition of potential flow
tea candles
top of the atmosphere
torch light
Toungoo Dynasty
tristour
underdocumented
viewshed map
went over to
work someone to death
WS Security
Wu Cheng'en