n.移民出境，移居国外，侨居，（总称）移民，血细胞渗出

原形：emigration复数：emigrations

Leukocyte emigration is an active process with two phases.
白细胞游出是一种主动的过程，有两个阶段。
Political unrest led to mass emigration after the war.
政治动乱导致战后大批人移居境外。
We have known colonization, revolution and emigration.
我们了解殖民、革命还有移民。
The economic crisis has led to a surge in emigration from the country.
经济危机导致了该国移民外流的激增。
Many young professionals are considering emigration due to limited job opportunities at home.
由于国内就业机会有限，许多年轻专业人士正在考虑移民国外。
The reasons for emigration vary, but often include seeking better economic prospects or fleeing conflict.
移民的原因多种多样，但往往包括寻求更好的经济前景或逃离冲突。
Emigration from rural areas to cities has accelerated urbanization in many developing countries.
从农村向城市的移民加快了许多发展中国家的城市化进程。
The government is implementing policies to encourage skilled workers to return, reversing the trend of emigration.
政府正在实施政策以鼓励技术工人回国，以扭转移民趋势。
The Great Famine in Ireland caused a massive wave of emigration to the United States and other countries.
爱尔兰大饥荒引发了大规模向美国及其他国家的移民潮。
Emigration can lead to brain drain, as talented individuals leave their home country in search of better opportunities.
移民可能导致人才流失，因为有才能的人离开自己的祖国去寻找更好的机会。
Despite the challenges, the promise of a better life often motivates people to undertake the difficult process of emigration.
尽管面临挑战，对更好生活的憧憬常常激励人们经历艰难的移民过程。
Some countries have strict emigration laws that make it difficult for citizens to leave permanently.
一些国家有严格的移民法，使得公民难以永久离开。
The story of Ellis Island is synonymous with early 20th-century emigration to the United States.
埃利斯岛的故事与20世纪初移民至美国的历史紧密相连。