单词：known unknowns
[网络] 已知的未知；已知的未知数；已知的未知事件
单词：known unknowns 相关文章
1. A fresh wave of violence in Iraq has killed at least 40 people including two CBS newsmen. Reporter Kimberly Dozier was badly wounded in a bombing which killed her two colleagues and a US soldier. 2
发表于:2019-01-08 / 阅读(293) / 评论(0)
美联社新闻一分钟2006
美联社新闻一分钟2006
Many Unknowns about Future Climate Change Effects Scientists say many of the long-term effects of rising temperatures are still unknown. Theyre discussing the problem at the U.N. climate change conference in Durban, South Africa. Researchers say clim
发表于:2019-01-13 / 阅读(255) / 评论(0)
VOA标准英语2011年(十二月)
VOA标准英语2011年(十二月)
First listen to September 15th 2011 to hear about the Official Cash Rate. Dr Bollard again kept the Official Cash Rate (OCR) at 2.5%. It has been the same since 10th March 2011. He also said that economic growth until the end of March next year will
发表于:2019-01-27 / 阅读(252) / 评论(0)
新西兰英语
新西兰英语