双亲等量细胞质合子(合子的细胞质来自两亲;两亲来的细胞质是相等)

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(174) / 评论(0) 分类 太阳科普

The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw

发表于:2018-12-16 / 阅读(144) / 评论(0) 分类 VOA标准英语2008年(八月)

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60-Second Science, Im Cynthia Graber. This will just take a minute. Heres one space mission that is definitely going to be unmannedNASA is going to the sun. The Johns Hopkins University Applied Physics Laboratory is buildi

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? After a bad day at the office, were more likely to flip on a nature channel than find a flower-filled meadow or sunny beach to lower our stress. But if you cant head

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(七)月

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 医学英语

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 医学英语

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the VOA Special English program, People in America. Today, we tell about one of America's greatest jazz musicians, Charlie Parker. He influenced the direction of jazz music during

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 VOA慢速英语2009年(五)月

By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di

发表于:2019-01-13 / 阅读(190) / 评论(0) 分类 2006年VOA标准英语(五月)

RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e

发表于:2019-01-16 / 阅读(161) / 评论(0) 分类 2017年NPR美国国家公共电台1月

By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis

发表于:2019-01-26 / 阅读(240) / 评论(0) 分类 2006年VOA标准英语(九月)

好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不 这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea

发表于:2019-01-28 / 阅读(135) / 评论(0) 分类 生活大爆炸第三季

With thousands of years of history in growing wheat, the southwestern Chinese city of Xi'an - an ancient Chinese capital famous for the Terracotta Warriors - is home to many kinds of flour-based food. 位于中国西南部的西安,是中国古都之

发表于:2019-02-07 / 阅读(165) / 评论(0) 分类 英语口语

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(120) / 评论(0) 分类 英语新闻

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(158) / 评论(0) 分类 阅读空间

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士, a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(126) / 评论(0) 分类 TED演讲国际问题篇

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(105) / 评论(0) 分类 英语听力练习题

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(132) / 评论(0) 分类 英语新闻

The Great Gatsby by F. Scott Fitzgerald Chapter 7 - Part 4 I never loved him, she said, with perceptible reluctance. Not at Kapiolani? demanded Tom suddenly. No. From the ballroom beneath, muffled and suffocating chords were drifting up on hot waves

发表于:2019-02-24 / 阅读(281) / 评论(0) 分类 有声英语文学名著

The Great Gatsby by F. Scott Fitzgerald Chapter 8 - Part 3 Twelve years. Ever had any children? Come on, George, sit stillI asked you a question. Did you ever have any children? The hard brown beetles kept thudding against the dull light, and wheneve

发表于:2019-02-24 / 阅读(194) / 评论(0) 分类 有声英语文学名著
学英语单词
a very knave
adelia maria
an nabhaniyah
application for import permit
appropriation resolution
bedropped
bilcher
bismuth iodosubagllate
Bol'shoye Kozino
bonding tool
C-frame width
captain of industry
cargo oil tank venting piping system
Cartesian devil
ceramic shell
chlamydocyst
clot-iron
colby mt.
compound graphic log
compressed air pipeline
Congreve, William
cooperative training
cybermarketing
daggers drawn
data panel
detail oriented
dip coast
direct sequence CDMA, DS CDMA
drifting convergence
elliptinium acetate
endam(o)ebic
ethyl 4,4'-dichlorobenzilate
geochemical circulation
hashalom
initial cycle error
intelligent instruments
interaction in social group
isoflavones
JCF
kishkes
labour protecting
landlubber
left eigenvector
Lembolovskaya Vozvyshennost'
lirat
lithuanian-language
Little Smoky R.
lonicera ruprechtiana regel
low level injection
m-bromobenzenediazonium chloride
main haulage
massacre of the innocents, Massacre of the Innocents
meddlesomely
medical diagnostic system
Melaleuca leucadendra
mesopulmonum
Miller-Abbotttube
mixed-bed column
moc (mechanical-operated cell)
Montanan
morbid dominant emotion
naval court martial
non-numerical switch
one's stock falls
outgoing event
oxycelluloses
parking lot effect
persuasive ability
phaeocystida
Phrynium
power trajectory
preallable
Pruning-shears
pseudo-aftershock
qualification of the auditor
quick-firing
red measles
reinsurance market
relative purchasing power
ripe sludge
schultze
second knuckle
shrieked
shukla
soysage
specific fuel rate
strong acetate
sublethal
temperate moist climate
tentlil
through-wall flow
trespassed
turbinates
UBAL
vanillin-sulphuric acid solution
Victoria Peak
what's wrong with you
William Henry Harrison
wooden handle screwdriver
word arrangement
wrist
zwerdling