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. 杰克逊一生一直勤奋工作，45岁前他的头发就已经掉光了。

In the absence of Mr. Jackson, we held a meeting. 在杰克逊先生不在的情况下，我们开了会。

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个参加自由行示威的人都被判刑了。