the movement every year of large numbers of birds or animals from one place to another 迁移;移居;迁徙 the seasonal migration of blue whales 蓝鲸的季节性迁徙 the migration routes of birds 鸟类的迁徙路线
Oxford Collocations Dictionaryadjective- seasonal
- autumn
- fall
- …
- wave
- occur
- take place
- increase
- …
- path
- pattern
- route
- …
- migration from
- migration to
- migration (from…) (to…)
the movement of people to a new country or area in order to find work or better living conditions 迁移;移居;迁徙 migration from rural to urban areas 从农村地区到城市的迁移 It was one of the largest mass migrations in US history. 这是美国历史上最大的大规模移民之一。 Net migration— more people moving to the state than leaving—accounts for about two thirds of the population gain. 净移民——移居该州的人比离开该州的人多——约占人口增长的三分之二。
Extra ExamplesTopics Social issuesc1The decline of the rural economy has caused urban migration. 农村经济的衰退已经导致许多人向城市迁移。 the forced migration of African slaves 非洲奴隶的被迫迁移 the great waves of migration that took Europeans to the New World 把欧洲人带到新大陆的一波波巨大的移民潮
the act of moving programs, etc. from one computer system to another; the fact of changing from one computer system to another (程序或硬件的)迁移,转移;(计算机系统的)改变