n.杰克森（姓氏；男子名；地名）

Jackson worked so hard in his life that he turned out bald as a coot before the age of45. 杰克遜一生一直勤奮工作，45歲前他的頭發(fā)就已經(jīng)掉光了。

In the absence of Mr. Jackson, we held a meeting. 在杰克遜先生不在的情況下，我們開了會。

Over300 freedom riders arrest in Jackson, Mississippi, in may and June1961 were sentenced. 一九六一年的五、六月在密西西比州杰克森市被捕的三百多個參加自由行示威的人都被判刑了。