地震传播;地震扩散

SCIENCE IN THE NEWS - Diseases Spread by Mosquitos By Nancy Steinbach Broadcast: Tuesday, January 25, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VO

发表于:2018-12-07 / 阅读(43) / 评论(0) 分类 科技之光

By Carrie Giardino The government of Chad is calling for international assistance to fight a cholera outbreak in the country. The World Health Organization says it is concerned that the disease could

发表于:2019-01-03 / 阅读(47) / 评论(0) 分类 VOA2004(下)--健康科技

Dong Lu Rm 549, Office Tower 2, Xingye Center No.18, Jian Guo Men Nei Ave. Phone: 13910212358 Beijing China (100005) Email: liudong@263.net -------------------------------------------------------------------------------------------------------- WORK

发表于:2019-01-06 / 阅读(75) / 评论(0) 分类 实用英语

This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t

发表于:2019-01-13 / 阅读(52) / 评论(0) 分类 VOA标准英语2010年(一月)

(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc

发表于:2019-01-16 / 阅读(44) / 评论(0) 分类 2018年NPR美国国家公共电台2月

MARIUPOL, UKRAINE Smoke billows from Azovstal steel works here, one of the many gargantuan industrial assets in this southeastern port city owned by Ukraines richest man, Rinat Akhmetov. Akhmetov employs more than 300,000 people across the region. Th

发表于:2019-02-18 / 阅读(47) / 评论(0) 分类 英语新闻