n. 双蕊兰

到2050年,全球需要1000亿的陆上动物才能提供所需的肉、奶制品、蛋、和皮具。饲养如此多的牲畜,对地球是沉重、可能无法持续的负担。有没有别的解决办法?这场演讲令人大开眼界,组织工

发表于:2019-01-05 / 阅读(59) / 评论(0) 分类 TED公开课:地球村

Israel says it has inflicted serious damage on Hamas' military infrastructure but it says much more work remains to be done before it stops its offensive in Gaza. There are no signs of a let-up in the conflict, despite diplomatic efforts. An explosi

发表于:2019-01-13 / 阅读(31) / 评论(0) 分类 VOA标准英语2009年(一月)

By Kurt Achin Seoul 11 January 2006 The top U.S. envoy to multi-national talks aimed at ending North Korea's nuclear weapons programs has arrived in Asia in an effort to revive the talks. Even though

发表于:2019-01-31 / 阅读(80) / 评论(0) 分类 2006年VOA标准英语(一月)

By Sonja Pace Damascus 04 February 2006 Angry Syrian protesters set fire to the Danish and Norwegian embassies in Damascus Saturday. It was the most violent demonstration of anger to date over cartoon

发表于:2019-02-05 / 阅读(114) / 评论(0) 分类 2006年VOA标准英语(二月)

By Scott Bobb Johannesburg 10 March 2008 Economic sanctions are imposed primarily as a non-violent way to press a specific government to change. But sanctions are often controversial and their effectiveness is not assured. VOA's Scott Bobb in Johanne

发表于:2019-02-05 / 阅读(27) / 评论(0) 分类 VOA标准英语2008年(三月)

Go Andr made his first appearance at the Olympics as an 18-year-old high jumper in 1908. Although his pre-Olympic best was 1.79m, in London he cleared 1.88m and earned a surprise silver medal. At the 1912 Olympics, Andr took part in the decathlon, th

发表于:2019-02-07 / 阅读(41) / 评论(0) 分类 英美文化