動詞 emigrate:

1. leave one's country of residence for a new one

1. Certain formalities have to be gone through before one can emigrate.
   必須辦妥某些手續(xù)方可移居他國。
2. Go back there? I'd sooner emigrate!
   回去? 我寧可移居海外也不回去！
3. His family emigrated from Italy to America.
   他們家從意大利移居到美國。
4. He emigrated from Britain to Australia in order to find a better job.
   他從英國移居到澳大利亞，想找一份更好的工作。

em.i.grate

v.intr.（不及物動詞）
em.i.grat.ed,em.i.grat.ing,em.i.grates
To leave one country or region to settle in another.See Usage Note at migrate
移民：離開一個國家或地區(qū)到另一個地方定居參見 migrate

來源：
Latin ômigr3re ômigr3t-
拉丁語 ômigr3re ômigr3t-
ô-, ex- [ex-]
ô-, ex- [前綴，表.從前的.]
migr3re [to move] * see mei-
migr3re [移動] *參見 mei-

【引伸】
em.igra.tion