immigrate: 移居入境；To enter and settle in a country or region to which one is not native.Britain immigrated many colonists to the New World.英國把大量殖民者移居到了新大陸emigrate：移居出境，也就是通常說的移民（v）；To leave one country or region to settle in another.His family emigrated to the U.S. last winter.他們一家去年冬天移民到美國了。migrate：移動, 移往, 移植, 隨季節而移居, (鳥類的)遷徙After the Nazis came to power in Germany, many scientists emigrated (that is, left Germany). 納粹奪取了德國的政權之後，許多科學家都遷走了（也就是說，離開了德國）。The promise of prosperity in the United States encouraged many people to immigrate (that is, move to the United States). 興旺發達的前景吸引了眾多的移民到美國（也就是指，遷入了美國）前兩個意思相反，一個是移進，一個是移出，而migrate可以說是另外兩個得上義詞。