美国国家公共电台 NPR Sperm Counts Plummet In Western Men, Study Finds

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(54) / 评论(0)

2017年NPR美国国家公共电台7月

AMERICAN MOSAIC - Music by James Taylor / Question About the

AMERICAN MOSAIC - November 1, 2002: Music by James Taylor / Question About the Visa Lottery / Election Day HOST: Welcome to AMERICAN MOSAIC --VOA’s radio magazine in Special English. (THEME) This is

发表于:2019-01-02 / 阅读(92) / 评论(0)

American Mosaic

AMERICAN MOSAIC - Our New Theme Music / Question About a Boo

AMERICAN MOSAIC -July 26, 2002: Our New Theme Music / Question About a Book on American Indians, 'Hanta Yo' / A Celebration of American Theater HOST: Welcome to AMERICAN MOSAIC — VOA’s radio magaz

发表于:2019-01-07 / 阅读(113) / 评论(0)

American Mosaic

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(71) / 评论(0)

英语新闻

Researchers make sperm from stem cell in dish

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(118) / 评论(0)

英语新闻

音乐咖啡厅:Sad Story- Loveholic 悲伤故事

Sad Story( 悲伤故事)- Loveholic It's a sad story yunanhido balgun hessal gadughan ichi mothal haru nul kumkwo odon arumdaun nare baraji anhadon nunmuri chajawa Gude ibgae momun shirin maltuga modun bichul dada suchin barammajodo sumjugyo uro cause y

发表于:2019-02-07 / 阅读(122) / 评论(0)

音乐咖啡厅

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学英语单词

? la seconde

a lump in your throat

blue rubber bleb nevus syndrome

blumer