Meanwhile , across eurasia , cold air from siberia spills south into east asia and even southwestward into europe .
与此同时,西伯利亚的冷空气南下横跨欧亚大陆,进入东亚地区甚至向西南进发而达到欧洲。
Before columbus , the parasites that cause malaria were rampant in eurasia and africa but unknown in the americas .
哥伦布航海之前,引发疟疾的寄生虫在欧亚大陆和非洲相当猖獗,但在美洲却不见踪迹。
William courtney was u. s.ambassador to kazakhstan and georgia and special assistant to the president for russia , ukraine and eurasia .
本文作者是威廉科特尼,曾担任美驻哈和佐治亚大使馆使者及俄罗斯、乌克兰和欧亚大陆总统特别助理。
About 20000 years ago , sea level dropped enough to expose beringia-a wide expanse of grassland between eurasia and north america .
大约2万年前,海平面下降到足以露出白令海峡一个连接欧亚大陆和北美的广袤草原。
Early humans may have taken a detour into eurasia before embarking on their epic journey out of africa , according to new fossil evidence .
据最新发现的化石证据表明,早期人类可能在踏上走出非洲的史诗性旅程之前,早已先绕道进入过欧亚大陆。
Nevertheless , because the two countries can never really trust each other , the geopolitical opportunities for the united states in eurasia are basic and structural .
然而,由于两国不可能取得相互之间真正的信任,美国在欧亚大陆上就拥有了基础性的结构性的地缘政治机会。
Last winter , too , was exceptionally snowy and cold across the eastern united states and eurasia , as were seven of the previous nine winters .