She died after a long period of increasing frailty.

她日益虚弱，经过一段长时间后去世了。

《柯林斯英汉双解大词典》

She returned to work after a long period of incapacity.

她病了很长一段时间之后回去工作了。

《牛津词典》

After a long period, alcoholism can deteriorate the liver, the brain and other parts of the body.

长期酗酒会损害肝脏、大脑和身体其他部位。

youdao

German workers are pushing for higher pay too, after a long period of wage restraint.

ECONOMIST: Europe��s monetary policy

Now, after a long period of underperformance, the sector seems to be pulling out of its slump.

FORBES: Health Insurance Stocks To Buy In Spite Of Obamacare

The wartime cycle usually begins after a long period of commodity price deflation accompanied by an economic depression.

FORBES: Connect