defection

剑桥词典

the act of leaving a country , political party , etc. to go to another one
脱离，退出，叛逃（国家或政党等）
Over the years there were hundreds of defections to the West /defections from the East . 这些年来发生了数百起向西方／从东方叛逃的事件。
Recent changes in policy have resulted in large-scale defection from the party . 最近的政策变化导致了大规模的党员倒戈行为。 返回 defection