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(36) / 评论(0) 分类 (科普英语)Earth and Sky

'Last Call' Sounds Water Alarm in Dry World You dont have to be a scientist to understand if you take more water out of the bathtub than you put into the bathtub, the bathtub will eventually go empty, marine biologist Tim Barnett says in the film. Th

发表于:2019-01-13 / 阅读(56) / 评论(0) 分类 VOA标准英语2012年(五月)

AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica

发表于:2019-01-30 / 阅读(56) / 评论(0) 分类 农业与发展

By Lisa Schlein Geneva 14 May 2008 Scientists say new evidence links certain chemicals to the development of obesity. About 2,500 international experts are attending the 16th European Congress on Obesity in Geneva. Lisa Schlein reports for VOA the pa

发表于:2019-02-03 / 阅读(32) / 评论(0) 分类 VOA标准英语2008年(五月)

BEIJING, Oct. 18 (Xinhuanet) -- Some seaweeds can kill the reef-building corals around them by emitting anti-coral chemicals, a new study found. The study was published Monday in the online edition of the journal Proceedings of the U.S. National Acad

发表于:2019-02-07 / 阅读(39) / 评论(0) 分类 英语新闻

今天我们要学的词是 chemicals. Chemicals 化学物质。A group of scientists voiced new health concerns about a common class of chemicals used in thousands of products, including electronics, footwear, and sleeping bags. 科学家对一类常见

发表于:2019-02-16 / 阅读(30) / 评论(0) 分类 英语单词荟萃