单词：causal link
[网络] 因果关系；因果连结；因果环
单词：causal link 相关文章
Recent hearing tests on teens show an increase in hearing loss over the last generation, possibly as a result of increased earbud use. Are you listening to me through headphones? Because heres a sample of what might be harming the ears of teenagers.
60秒科学
Broadcast: Jan 30 2003 Researchers say there appears to be no link between a substance found in some high-carbohydrate foods and the development of some types of cancer. U.S. and Swedish researchers c
VOA2003（上）-健康之旅
By VOA News 12 January 2008 The husband of Pakistan's assassinated former prime minister and opposition leader Benazir Bhutto says he thinks recent terrorist attacks in Pakistan are part of an attempt to rig upcoming parliamentary elections. In an in
VOA标准英语2008年（一月）
HEALTH REPORT - Study Shows No Link Between Cell Phones and Rare Tumor By Cynthia Kirk Broadcast: Wednesday, September 07, 2005 I'm Barbara Klein with the VOA Special English Health Report. New resear
健康与经济
By Jessica Berman Washington 06 December 2007 Children who are overweight are at significant risk of developing heart disease as adults. That's the conclusion of two studies published in this week's New England Journal of Medicine , which predicts wh
VOA常速英语2007年（十二月）
After proposing a permanent fix for its Dreamliner 787 to the Federal Aviation Association last Friday, Boeing has met with its Japanese battery maker GS Yuasa on how to get the Dreamliners back in the air. Boeing's said to be proposing a stronger co
英闻天下