migrate
(also transmigrate) v [I, Ipr]
~ (from...) (to...)
1 move from one place to go to live or work in another 迁居; 移居; 迁徙. 2 (of animals, etc) go from one place to another with the seasons, esp to spend the winter in a warmer place (指动物等)迁徙(尤指到暖处过冬)
These birds migrate to North Africa in winter. 这些鸟冬天迁徙到北非.
Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.