migrationKK [maɪˋgreʃən] /maɪˈɡɹeɪʃən/发音名词1迁徙、移居、移民Economic hardship drove the mass migration to the cities.经济困顿造成大批人口迁徙到都市。2迁徙、过境指动物Thousands of birds stop at the wetland during their autumn migration.秋季迁徙期间,数千只鸟会在这片湿地停留。3移转、转移电脑The migration to the new database took all weekend.转移到新资料库的作业花了整个周末。4移动、移位Doctors monitored the slow migration of the implant.医师持续追踪植入物缓慢移位的情况。用这个字练口说→