撒哈拉以南非洲依赖童工影响国家发展

发表于:2018-12-08 / 阅读(219) / 评论(0) 分类 VOA标准英语2016年(三月)

Desert 沙漠 The desert is a very hot and dry place. 沙漠是非常炎热和干燥的地方。 Where is the biggest desert in the world? 世界上最大的沙漠在哪里呢? Africa has the biggest desert in the world. 非洲有着世界上最大的

发表于:2018-12-13 / 阅读(51) / 评论(0) 分类 与美国小学生一起学英文第1册

A National Geographic researcher and his team have uncovered fossilized remains of 5 ancient crocodile species that lived among dinosaurs some 100 million years ago. One of the crocs had an oversized set of canines, and another had a snout like a duc

发表于:2018-12-26 / 阅读(57) / 评论(0) 分类 自然百科2009年

For centuries, nomads and traders have made their way here. George is determined to follow in their footsteps. There is a timelessness about this place. And desert ghosts seem to haunt the hills. But that's not the wail of lost souls echoing through

发表于:2018-12-30 / 阅读(329) / 评论(0) 分类 国家地理2007年

AGRICULTURE REPORT - Demand for Wheat Growing in Sub-Saharan Africa 农业报道 - 撒哈拉以南非洲地区小麦需求猛涨 From VOA Learning English, this is the AGRICULTURE REPORT in Special English. 这里是美国之音慢速英语农业报道

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2012年VOA慢速英语(十)月

AS IT IS 2013-10-07 Health Problems in Sub-Saharan Africa 撒哈拉南部非洲的健康问题 Hello, and welcome to As It Is from VOA Learning English. Im Christopher Cruise in Washington. Today we have news about world health and world hunger. Food

发表于:2019-01-12 / 阅读(52) / 评论(0) 分类 2013年VOA慢速英语(十)月

撒哈拉以南非洲面临饥荒威胁 Somaliland is one of the poorest African regions. Its rural population is struggling to make a living in the best of times, but drought makes it impossible. 索马里兰是非洲最为贫穷的一个地区。这里

发表于:2019-01-14 / 阅读(73) / 评论(0) 分类 VOA标准英语2016年(四月)

科学家研制解毒剂抗撒哈拉以南各种毒蛇 Thousands of people in sub-Saharan Africa die or are disabled each year due to poisonous snake bites. Scientists in Britain are working to develop a serum that will counteract the venom from all

发表于:2019-01-19 / 阅读(74) / 评论(0) 分类 VOA双语新闻 2015年4月

当TED资深成员凯撒哈拉达听说2010年BP公司石油泄漏对墨西哥湾的重大影响的时候,他辞掉他理想的工作并搬去新奥尔良,去研发一个吸收油污更高效的方法。他设计了一艘具有高度可控性和灵

发表于:2019-02-05 / 阅读(59) / 评论(0) 分类 TED公开课:环境 重造计划

The International Federation of Red Cross and Red Crescent Societies warns diarrheal diseases, such as cholera, are on the rise and increasingly becoming a major cause of death throughout the world - especially in sub-Saharan Africa. The Red Cross sa

发表于:2019-02-14 / 阅读(52) / 评论(0) 分类 VOA双语新闻 2009年3月

演讲简介:要阻止撒哈拉南部非洲各国的疾病流行,仅靠药品是不够的。我们还需要与之配套的诊断工具。TED资深会员Frederick Balagadde向我们展示如何通过微型化技术把笨重昂贵的化验室集成至

发表于:2019-02-21 / 阅读(98) / 评论(0) 分类 TED演讲视频集

Finance and economics 财经商业 Employment in Sub-Saharan Africa 非洲撒哈拉以南地区就业状况 Sorry, no vacancies 抱歉,暂无空缺 Why African firms create so few jobs 为何非洲公司创造的就业机会如此之少 AFRICAN bus

发表于:2019-03-09 / 阅读(163) / 评论(0) 分类 经济学人商业系列