By Nancy Steinbach Broadcast: October 29, 2003 This is Faith Lapidus with the VOA Special English Health Report. Some estimates say that one in as many as eighty-thousand of all births results in two

发表于:2018-12-15 / 阅读(209) / 评论(0) 分类 VOA2003(下)-环境与健康

[00:09.87]44) Edward Knipling [00:15.52]A leading American research scientist died last month at his home in Virginia. [00:22.88]Edward Knipling was ninety-one years old. [00:26.75]Mister Knipling was a world famous expert in the study of insects. [0

发表于:2018-12-26 / 阅读(35) / 评论(0) 分类 美国英语听力80篇

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(34) / 评论(0) 分类 看美剧学英语

This is Scientific Americans 60-Second Science, Im Steve Mirsky.Got a minute? The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institutes Chris

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 Scientific American(十)月

许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav

发表于:2019-01-17 / 阅读(43) / 评论(0) 分类 英语美文

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(48) / 评论(0) 分类 英语新闻