轮番轰炸用英语怎么说？

轮番轰炸

...a bombing campaign.

bombing

n. 轰炸，投弹；v. 轰炸，投弹于( bomb的现在分词 )，失败，不及格，快速前进；

例句
That statement seemed designed to answer criticism of allied bombing missions.
那份声明似乎是专门就联合轰炸任务的批评作出反击。

campaign

n. 运动，竞选运动，战役，季节性竞赛；vi. 参加[发起]运动，参加竞选，参战，参加战役，作战；

例句
The election campaign has been fought not in street rallies but on the airwaves...
此次竞选大战不是以街头集会的方式进行，而是通过电视和广播一决胜负。