标签：sperm 相关文章

听电影学英语-蒸发的摩根夫妇 10

[00:03.80]Mustve been a big decision for you. 你应该下了很大决心 [00:06.96]Well, I really thought about telling you, but I didnt really know where we were at. 其实我原本想跟你说的 但我一直搞不定我们之间的关系 [00:11.8

发表于:2018-11-30 / 阅读(154) / 评论(0) 分类 听电影学英语-蒸发的摩根夫妇

VOA双语新闻：3、世界首批试管狗宝宝成功诞生

世界首批试管狗宝宝成功诞生 Scientists at Cornell University have proudly presented the first litter of dogs successfully born through in vitro fertilization, or IVF. The breakthrough may help in combating inherited diseases that affect c

发表于:2018-12-02 / 阅读(81) / 评论(0) 分类 VOA双语新闻 2015年12月

万物简史 第400期:浩瀚的海洋(19)

What little we know of them comes almost entirely from eavesdropping on their songs, but even these are a mystery. 我们对它们的一点了解，儿乎完全出自我们偷听到的它们的叫声，而连那个也还是个谜。 Blue whales will

发表于:2018-12-07 / 阅读(51) / 评论(0) 分类 万物简史

听电影学英语-绝配男女 11

[00:02.68]3 years of Law School... squeezed into 3 days of grueling exams. 三年的学校生涯 [00:07.88]Everyone seemed to be writing more than I was. 好象每个人学的都比我多 [00:10.36]The girl next to me wore her pencil down to a stub. 我

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 听电影学英语-绝配男女

Earth and Sky:Estrogen Mimics 雌性激素

Estrogen Mimics 雌性激素 It may not surprise you that pollution from chemical plants and farms can harm fish. But there's growing evidence that we're all hurting fish and frogs by what we flush down the drain. Discover estrogen mimics -- today on Ea

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 (科普英语)Earth and Sky

万花筒 2009-02-24&02-25 我是八胞胎的爸爸

The former boyfriend of the California woman who gave birth to 8 babies last month. He is speaking out. His name is Denis Beaudoin. And he thinks that he could be the biological father, not only of the octuplets but possibly Nadya Suleman's 6 other c

发表于:2018-12-11 / 阅读(68) / 评论(0) 分类 万花筒2009年

美国国家公共电台 NPR Her Son Is One Of The Few Children To Have 3 Parents' DNA

ARI SHAPIRO, HOST: Women from around the world have started going to a clinic in Ukraine hoping to get pregnant. The clinic is doing something that no one else in the world will do for them - make babies using DNA from three different people. Earlier

发表于:2018-12-18 / 阅读(64) / 评论(0) 分类 2018年NPR美国国家公共电台6月

英文笑话：biology class 生物课

biology class This happened in a university biology class. The professor was explaining that sperm has a high concentration of dextrose. One freshman girl who looked puzzled asked, Then why doesn't it taste sweet? Notes: 1. This happened in a univers

发表于:2018-12-26 / 阅读(67) / 评论(0) 分类 英语笑话（MP3+文本）

侏罗纪搏击俱乐部 第79期:鲸像一辆油罐车

The biting sperm whale was powered by the up and down motion of its powerful tail fluke allowing it to reach speeds of over 25 miles per hour. 噬抹香鲸用其有力的尾鳍上下摆动来获得动力，其速度能达到每小时25英里。 The l

发表于:2018-12-28 / 阅读(48) / 评论(0) 分类 侏罗纪搏击俱乐部

2007-09-06, Coral Reef Erotica 神奇的珊瑚礁

You may think you are gazing upon a sleepy coral reef in the Caribbean Sea, and of course you are. But hiding in plain sight, is a riving teeming hotbed of erotica , that makes a Hollywood hot up party seem like a trip to the dentist. This is a coral

发表于:2018-12-30 / 阅读(140) / 评论(0) 分类 国家地理2007年

The Ghost In Your Genes - 13 基因外遗传现象

They discovered that when a famine was able to trigger an effect was different for the grandmother than the grandfather. The grandmother appeared susceptible while she herself was still in the womb, w

发表于:2019-01-02 / 阅读(82) / 评论(0) 分类 基因外遗传现象

英伦广角 2014-05-03 单身女性人工授精生育不断上升

Lenie and Bebe have the same father, but he's not part of their lives. That might not be so unusual, but what is is the way mom Lisa got pregnant. With no husband or partner, and time ticking, she opted for donor insemination as the route to motherho

发表于:2019-01-16 / 阅读(51) / 评论(0) 分类 英伦广角

【跟着英剧练发音】South Pacific S01E03 - C

文本： Aftertheir epic journey from the tropics, the young bull sperm whales have finallymade it. Sperm whales dive deeper than any other whale. They're drawn here bythe fabulous wealth of deep-sea creatures, even the giant squid that lurk inthe d

发表于:2019-01-21 / 阅读(59) / 评论(0) 分类 跟着英剧练发音

英语听力：自然百科 大迁徙 Great Migrations—8

For the delicate monarch, it may as well be a trip to the moon. And yet somehow they do it, their tiny bodies attuned to a seasonal sundial and resonating to the invisible signature of the earth's core--its magnetic field. Around the planet, animals,

发表于:2019-01-22 / 阅读(73) / 评论(0) 分类 自然百科2010年

【英语时差8，16】男性生物钟

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 going up with a mother's age. But the biological c

发表于:2019-01-22 / 阅读(65) / 评论(0) 分类 英语时差8，16

英语听书《海底两万里》第39期 第4章 尼德兰(8)

That's just where you're mistaken, professor, Ned replied. 教授；这是因为您搞错了。尼德兰说。 The common man may still believe in fabulous comets crossing outer space, or in prehistoric monsters living at the earth's core, 一般的人

发表于:2019-01-28 / 阅读(55) / 评论(0) 分类 《海底两万里》中英双语有声读物

英语悠选脱口秀 第39期:冻卵生娃 晚育福音

讲解: Today's key word is Egg. Egg 卵子 Here, an egg is a cell that is produced in the bodies of female animals and humans. If it is fertilized by a sperm, a baby develops from it. 当一个卵子遇到一个精子，就诞生了一个小宝贝。

发表于:2019-02-21 / 阅读(204) / 评论(0) 分类 英语悠选脱口秀

【英语时差8，16】机构奖

Our bodies are amazing. Although things go wrong at times, it's remarkable they work at all when one considers the complexities of their operation. Don and Ya?l present some awards to a few of the outstanding components. [APPLAUSE] D: Good evening, Y

发表于:2019-02-23 / 阅读(52) / 评论(0) 分类 英语时差8，16

英语角-圆桌会议 RoundTable0323 - 女孩，你敢不敢独自旅行

Topic1 Rents in China have kept rising for 45 monthsWhile housing prices put home ownership far out of reach for most Chinese, these people are increasingly finding it hard to find an apartment to rent. Rents have been running higher in China, for 45

发表于:2019-03-05 / 阅读(119) / 评论(0) 分类 英语角-圆桌会议

【英语时差8,16】蜗牛（中）

Now heres the strange part. About once a week, as garden snails share caresses, pressure builds up in the area surrounding a sac near the genital region housing a calcium dart. Just for the moment of sexual penetration, the impregnating snail stabs i

发表于:2019-03-06 / 阅读(108) / 评论(0) 分类 英语时差8，16
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