音标:[,tetrә'spә:mәs] ;
a. [植]四种子的
a. Having four seeds.

[00:00.00]Albert Einstein communist Alexander Bell professor [00:05.00]艾伯特爱因斯坦 n.adj.共产主义者(的)亚历山大贝尔 n.教授 [00:10.00]ruler scientific darkness shy [00:14.79]n.统治者 adj.科学的 n.黑暗 adj.害羞的 [00:

发表于:2018-12-13 / 阅读(472) / 评论(0) 分类 高中英语词汇

RACHEL MARTIN, HOST: A wide-ranging study shows that sperm counts are plummeting throughout the Western world, and scientists don't know why. NPR health correspondent Rob Stein suggests some of the potential reasons. ROB STEIN, BYLINE: In Margaret At

发表于:2018-12-17 / 阅读(328) / 评论(0) 分类 2017年NPR美国国家公共电台7月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(379) / 评论(0) 分类 Scientific American(一)月

[00:02.22]Its a Pilates machine. 那是普拉提机 [00:07.02]You dont make anything. 它不是用来制造的 [00:07.22]What do you make with it? 拿它来制造什么东西? [00:09.66]Its for exercising. 是用来健身的 [00:10.30]Yeah, my wife

发表于:2019-01-01 / 阅读(382) / 评论(0) 分类 听电影学英语-朱诺

The One With the Jam -------------------------------------------------------------------------------- Written by: Wil Calhoun Transcribed by: Eric Aasen -----------------------------------------------

发表于:2019-01-01 / 阅读(408) / 评论(0) 分类 六人行—第1-5季

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(372) / 评论(0) 分类 医务英语

TBBT101-2 生活大爆炸之精子银行(2) Leonard: Sheldon, this was your idea. A little extra money to get fractional T1 bandwidth in the apartment. Sheldon: I know, and I do yearn for faster downloads, but theres some poor woman is going to p

发表于:2019-01-05 / 阅读(311) / 评论(0) 分类 看美剧学英语

TBBT101-3 生活大爆炸之精子银行(3) Leonard: Well, what do you want to do? Sheldon: I want to leave. Leonard: Okay. Sheldon: Whats the protocol for leaving? Leonard: I dont know, Ive never reneged on a proffer of sperm before. Sheldon: Le

发表于:2019-01-05 / 阅读(272) / 评论(0) 分类 看美剧学英语

[00:45.58]1)Where Bruce like to go today? [00:51.54]He wishes he could go to the seaside today. [00:59.12]2)What are Bruce and Li Qun talking about? [01:06.85]They are talking about the sea,holidays,jobs and Li Qun's cousin. [01:15.68]Language points

发表于:2019-01-10 / 阅读(402) / 评论(0) 分类 高中英语人教版高二

英国科学家在男性避孕药研发上有了重大突破,未来男性有可能通过口服阻止精子游动的药丸来达到避孕效果。这可能改变千千万万伴侣的性生活。以后不仅女人可以吃避孕药,连男人都有避

发表于:2019-01-19 / 阅读(364) / 评论(0) 分类 阅读空间

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(416) / 评论(0) 分类 实用英语

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

发表于:2019-01-26 / 阅读(360) / 评论(0) 分类 阅读空间

A chemical that has been linked to cancer cell growth is being used by millions of Americans in toothpaste every day, it has emerged. 在成千上万的美国人每天使用的牙膏中,可能存在一种导致癌细胞增长的化学物质。 The

发表于:2019-02-02 / 阅读(381) / 评论(0) 分类 英语新闻

1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,

发表于:2019-02-03 / 阅读(1185) / 评论(0) 分类 阅读空间

Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States. According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they

发表于:2019-02-04 / 阅读(320) / 评论(0) 分类 英语新闻

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(565) / 评论(0) 分类 英语新闻

Scientists say early experiments suggest it may one day be possible to make babies without using eggs. 科学家称,早期实验表明,将来某一天或许不需要卵子就能孕育出婴儿。 They have succeeded in creating healthy baby mice

发表于:2019-02-17 / 阅读(442) / 评论(0) 分类 阅读空间

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(409) / 评论(0) 分类 万物简史

近日,淘宝聚划算发起了一场名为聚精会神的团购活动,除了提供司法鉴定服务以外,还上线了7个城市的精子库,预约捐精的志愿者可获得3000至5000元不等的捐精补助。 请看《中国日报》的报

发表于:2019-02-25 / 阅读(384) / 评论(0) 分类 英文语法词汇

First: According to magnitude I divide the whales into three primary BOOKS (subdivisible into CHAPTERS), and these shall comprehend them all, both small and large. 第一 我按照大小,把鲸分为主要的三篇(各篇再分为章),这就把它们不

发表于:2019-03-10 / 阅读(447) / 评论(0) 分类 白鲸记
学英语单词
a balloon
activation (in computer programming)
address transfer
adequate consideration
adhesion weight
adoral surface
antibody engineering
assogue
astigmatical
automated monitoring system
autoredirections
bake bean
barytsaltpeter (baryt-saltpeter)
berimbau
bromoethynyl-11-methoxy-estradiol
clairsentients
cognate object
compound amount
confirmed case
cultural sociology
cylindrical slideway
delimiters
diffracto-gauge
diffusion noise
digimatic osmometer
elay
epibranchial arteries
exclusive lock
expansion of vapo(u)r
extremely long wave propagation
feeling of quantity
first hand tap
Fiumefreddo di Sicilia
floating point input/output
formal sector
genetics of industrial microorganisms
guye
Hero of Alexandria
high power valve
homoeomeric
hot-shots
how much to inspect
hybrid microcircuit lead
hydrogen clay
ice-making machinery
ice-white
inhungre
interindividual
labor management cooperation
lakewood
laparocholecystotomy
laying-down
length ball
lexicographic work
linear prediction coding
logical indicator
mannosylphosphoryltransferase
manually operated turning gear
meinzer unit
mineral colour
movementtray
Mulayh(Muleih)
Neajlov
nontied loan
oing
oldage
overoil
ownersowner's
paddle plane
passing a budget
petrol cap
positive indicatrix
preamplification
quinin ethyl sulfate
rainhill
reverse lever foot rest
river trade limits
rope core barrel
saltdean
scolopendra multidens
segmented electrode
Seidel's test
self holding
semi-ovate
silver fern
spongillids
sprawl one's last
stationary signal
string table
substitute money
swaddler
taxable dividend
Taygete
temperature programmer
third battle of ypress
tubercle or gall of olive
Tuberculum olfactorium
turn professional
unsymmetrical frame
valve rocker arm support
veteranize
xenon(ii) fluoride