母体细胞质合子(合子的细胞质完全来自母体)

[00:01.83]Aeschylus:The Father of Greek Tragedy [00:04.78]Aeschylus was the first known dramatist to use [00:09.09]more than one character in his plays, [00:11.82]and he therefore invented the concept of dialogue between characters. [00:16.20]Befor

发表于:2018-11-30 / 阅读(304) / 评论(0) 分类 英语专业晨读美文

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(266) / 评论(0) 分类 太阳科普

Plasmas I always like to think of as being like naughty children. 我一直觉得电浆就像调皮的小孩 They're full of energy and they are, 充满了能量,随时随地都想捣蛋 want to misbehave and it's ourjob to try 我们的工作就是

发表于:2018-12-07 / 阅读(265) / 评论(0) 分类 太阳科普

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(181) / 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(246) / 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(218) / 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(223) / 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(281) / 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(309) / 评论(0) 分类 VOA慢速英语2009年(五)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(238) / 评论(0) 分类 生活大爆炸第三季

这是一首节凑轻快的歌曲~ 希望你的耳畔回响这样的节奏,你的生活飘荡这样的快乐~ Tiggy - why Standing beside you Wishing you'd always be close to me And how can I tell you Every night I see you in my dream Bridge: Believe me, don't leave me I would nev

发表于:2019-02-05 / 阅读(270) / 评论(0) 分类 音乐咖啡厅

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(272) / 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(199) / 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(255) / 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(205) / 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(185) / 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(195) / 评论(0) 分类 英语新闻

why--tiggy Standing beside you Wishing you'd always be close to me And how can I tell you Every night I see you in my dream Bridge: Believe me, don't leave me I would never let you go Refrain: Why, why do this have to be a fantasy Let's make our love

发表于:2019-02-18 / 阅读(219) / 评论(0) 分类 好听的英文歌曲

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(342) / 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(267) / 评论(0) 分类 有声英语文学名著
学英语单词
-fixated
abortion right
ACC (accessory)
acid-cured varnish
adenin(e)
alcohol addiction
alkylglycerophosphoethanolamine phosphodiesterase
Anderson shelters
angulus Ludovici
Anzano di Puglia
axiomatizabilities
billionth
cannon pinion tool
capital income
captain's public room
catapuce
convexity of yield surface
cyclomaltoheptaose
de-watering
diagnosis and recommendation integrated system
dioch
engraver beetle
entrance time
euphorbol
fattyism
flowscreen
fractional sterilization therapy
fudgsicle
geofiles
had a cobweb in the throat
Halley's comet program
Hemarthria compressa
high-muckety-muck
hour by hour
hulahula
human potential
hybrid navigation equipment
integral insulation
izinyanga
J-card
jinda
keeling islands
Kupreanof Point
line residual current
lupinus incanus grap
MALT lymphoma
mere mortal
micro-order
microprogrammed instrument
Microtrombidium molestissimum
moderating solution
moisture proofing
Motukawanui I.
muscle body (or belly of muscle)
Māndālia
NANDs
Napier deltaic two stroke engine
Neumann's principle
nousts
open-circuit characteristic
pathogerm
portable night vision tester
power centroid
power on time
provision for
Puebla de Sanabria
put sb to the question
quasi-steady impulsive noise
ray grasses
regressive dissimilation
relevant date
rule complexity
sanctuary city
saw ... down
Sekanak, Tk.
shutoff circuit
snowproofing
soldier orchid
soleing
sovenance
spectral dimension
speedlimit device
spray tray deaerator
staphyloedema
straight welding
superated
take in something
the Chartered Management Institute
the first instance
the mask
third debtor
tramp ship
translog cost function
two-phase aerosol
Weddell
wheel brake lever
woat
worldly possession
write permit ring
wrong
zenithal refraction
Zlatoust