This means the cells can keep growing and reproducing indefinitely.

VOA: special.2010.07.21

In this way,Roosevelt and Willkie tried to keep America's growing involvement in the war from becoming a major political issue in the election.

VOA: special.2011.05.12

Freezing can keep some foods in good condition for months after the growing season.

VOA: special.2009.11.30

He says the U.S.consumer has cut spending. That may mean exporters will have to boost demand in their own nations to keep their economies growing.

VOA: standard.2009.09.25

We can't keep shifting a growing burden to future generations. With each passing year, health care costs consume a larger share of our nation's spending, and contribute to yawning deficits that we cannot control,".

VOA: standard.2009.06.13