例句：

　　A cold wind blew from the east.

　　東邊吹來一股冷風。

　　Far off to the west the sun was sinking.

　　遠遠的，太陽在西邊落下。

　　Swallows migrate south in winter.

　　燕子在冬天遷徙到南方。

　　They've gone to live up north.

　　他們已經(jīng)搬到北方去住了。