音标：[,sp\\:mәtәjdʒi'netik,sp\\:,mæ-] ；

a. [生]精子发生的

a. Relating to, or connected with, spermatogenesis;
as, spermatogenetic function.

试管婴儿有风险吗？

In the 24 years since the birth of Louise Brown，the world's first test－tube baby，thousands of would－be parents have been assure that as far as scientists knew there was no extra risk of genetic damage associated with in－vitro fertilization，

发表于:2018-12-05 / 阅读(33) / 评论(0)

有声杂志阅读

生活大爆炸之精子银行(1)

TBBT101-1生活大爆炸之精子银行（1） Sheldon: So if a photon is directed through a plane with two slits in it and either slit is observed it will not go through both slits. If its unobserved it will, however, if its observed after its left

发表于:2019-01-05 / 阅读(56) / 评论(0)

看美剧学英语

SSS 2008-02-01

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

发表于:2019-01-08 / 阅读(47) / 评论(0)

Scientific American(二)月

【文摘】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

发表于:2019-01-26 / 阅读(88) / 评论(0)

阅读空间

Concerns arise over sperm donors

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(72) / 评论(0)

英语新闻

经济学人:基因编辑技术的应用、争议和未来(2)

Nor did the procedure fulfil any unmet medical need. 此程序也未能满足任何未知医疗需求。 For the child whose genome was edited to confer resistance, the claimed benefit is protection from a virus that she may never encounter 对于为产

发表于:2019-02-25 / 阅读(41) / 评论(0)

经济学人综合

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