单词：migration mechanism
单词：migration mechanism 相关文章
These 60 paintings tell about the movement of African-Americans in the first half of the 20th century. Transcript of radio broadcast: 06 July 2008 VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barb
VOA慢速英语2008年（七）月
Issues Collide Over Europes Migrant Crisis 欧洲移民危机引发问题 Europes migrant crisis has brought the situation of hundreds of thousands of people fleeing conflict or seeking a better life to the worlds attention. The migration has put pre
2015年VOA慢速英语(九)月
By Scott Bobb Johannesburg 08 November 2007 The European Union has announced a plan to admit 20-million skilled workers during the next 20 years in order to meet projected labor shortages. The proposal has drawn protests from leaders in developing na
VOA常速英语2007年（十一月）
China's population is expected to peak at about 1.45 billion around 2030, according to the national population development plan for 2016-2030 released by the State Council, China's cabinet. 国务院于日前印发的《国家人口发展规划(20162
英语新闻
How Cells Get Around 漫步的细胞 A major reason why many cancers are so dangerous is that they metastasize . This means that instead of staying in one place, the cancer cells migrate from their original site to other parts of the body. No wonder
英语听力文摘 English Digest