Health Report - A Way to Make New Eggs in Women? 健康报道 - 产生新卵子的新途径 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 New research could raise hope for women who are having trouble

发表于:2018-12-07 / 阅读(68) / 评论(0) 分类 2012年VOA慢速英语(二)月

A 34-year-old married man who died recently had no children. When he died, his wife was not pregnant, either. But now that he's dead, he has a chance of becoming a father. How's that possible? After a

发表于:2018-12-08 / 阅读(158) / 评论(0) 分类 赖世雄中级美国英语

At 38, sales manager Nick Armstrong is among a growing number of women who are freezing their eggs in hope of getting pregnant late in life. Hey, Tamie. Its Nick Armstrong, It is Friday morning. Sales manager Nick Armstrong is among millions of wome

发表于:2018-12-11 / 阅读(93) / 评论(0) 分类 万花筒2008年

To a female orb web spider, a suitable male can look like a mate and meal. For these spiders, the dating game has turned into a deadly dance of evolutionary one. the female spiders can choose when to cut off their relations by eating her partner or k

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(一)月

For in nature it takes thirty years for two hundred eggs to reach maturity. 因为在自然状态下,要让两百个卵子成熟需要三十年之久。 But our business is to stabilize the population at this moment, here and now. 但我们现在的任

发表于:2019-01-01 / 阅读(64) / 评论(0) 分类 美丽新世界

Essentially, the D.H.C. concluded, bokanovskification consists of a series of arrests of development. 从根本上讲,主任下结论道,波坎诺夫斯基化程序包含了一系列对发展的抑制 We check the normal growth and, paradoxically

发表于:2019-01-01 / 阅读(64) / 评论(0) 分类 美丽新世界

I shall begin at the beginning, said the D.H.C. and the more zealous students recorded his intention in their notebooks: Begin at the beginning. 我从头说一说主任说,积极的学生把他的意思记进了笔记本:从头说一说。 These

发表于:2019-01-01 / 阅读(65) / 评论(0) 分类 美丽新世界

Scientists Grow First Fully Developed Human Eggs in Laboratory For the first time ever, scientists have succeeded in growing human eggs from the earliest stages to full maturity in a laboratory. 科学家们有史以来首次在实验室将人类卵子

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 2018年VOA慢速英语(二)月

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(86) / 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(66) / 评论(0) 分类 看美剧学英语

TBBT101-4 生活大爆炸之来了新邻居penny(1) Sheldon: Are you still mad about the sperm bank? Leonard: No. Sheldon: You want to hear an interesting thing about stairs? Leonard: Not really. Sheldon: If the height of a single step is off by

发表于:2019-01-05 / 阅读(80) / 评论(0) 分类 看美剧学英语

BEIJING, Aug 9 (Xinhuanet) --Jennifer Aniston's new movie The Switch is coming up and so is her new point of being a mom. Aniston plays a 40-year-old woman who uses an anonymous sperm donor to get pregnant, then finds out years later that her male be

发表于:2019-01-07 / 阅读(67) / 评论(0) 分类 英语新闻

Egg Cells 卵细胞 Do you know what an egg cell is? 你知道什么是卵细胞吗? An egg cell is necessary for reproduction. 卵细胞是繁殖的必要条件。 Animals have egg cells. 动物有卵细胞。 Then does every animal have egg cells

发表于:2019-01-10 / 阅读(81) / 评论(0) 分类 与美国小学生一起学英文第10册

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(162) / 评论(0) 分类 实用英语

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(92) / 评论(0) 分类 英语新闻

1.The White House is calling the suicide bombing at the US embassy in Turkey a terrorist attack, two people were killed in the blast, including a Turkish security guard. 2.The White House says a new jobs report shows the economy is healing, the gover

发表于:2019-02-11 / 阅读(99) / 评论(0) 分类 美联社新闻一分钟2013(二月)

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(58) / 评论(0) 分类 阅读空间

Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec

发表于:2019-02-18 / 阅读(70) / 评论(0) 分类 英语新闻

Although snails can and do successfully mate without stabbing each other, studies have shown that darted snails store one-hundred-sixteen percent more sperm than undarted snails.

发表于:2019-03-06 / 阅读(111) / 评论(0) 分类 英语时差8,16

But the only thing to be considered here is this--what kind of oil is used at coronations? 但是,这里得加考虑的一件事情是...加冕时用的是哪一种油? Certainly it cannot be olive oil, nor macassar oil, nor castor oil, nor bear's oi

发表于:2019-03-10 / 阅读(122) / 评论(0) 分类 白鲸记