Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

Its long history almost came to an end two years ago when a major fire burned its South Hall building.

VOA: special.2009.08.21

Two years ago,European researchers reported that aspirin may have what they called a "long-term protective effect against colorectal cancer."

VOA: special.2010.12.14

But he agrees that in recent years, many companies have tied pay to short-term performance, instead of their long-term health.

VOA: special.2009.10.30

He wrote a book about the final years in the political life of a long-time mayor of Boston,Massachusetts.

VOA: special.2010.04.11

A few years later, a settler named Abijah Long also found the entrance and went into the cavern.

VOA: special.2009.12.07

Professor Kaufman says it could take the slow-growing coral as long as one hundred years to recover.

VOA: special.2010.08.10

American officials say it will take at least two years for what one official called a meaningful measure of progress toward long-term stability.

VOA: special.2009.05.09

But she says the research does show the need to study whether or not there are long-lasting effects of repeated exposure over several years.

VOA: special.2011.03.02

He had spent much time with them during their long trip to Utah ten years earlier.

VOA: special.2009.06.04

He says the final goal of the work is to develop a long-term plan to operate and protect the tomb for years to come.

VOA: special.2009.12.15

But the most common cause is long-term smoking or years of breathing other people's smoke.

VOA: special.2010.06.23

But even with all the progress, there is still a long way to go to reach all eight goals approved by world leaders ten years ago.

VOA: special.2010.04.26

Long-period comets,however, may take several hundred years to orbit the sun.

VOA: special.2011.02.09

Officials say the improvements could take as long as two years.

VOA: special.2009.06.29

These creatures became trapped as long ago as forty thousand years.

VOA: special.2010.04.07

Onions are biennials; their life cycle is two years long.

VOA: special.2011.06.28

He worked on Abijah Long's mining operation for twenty years.

VOA: special.2009.12.07

"Forty years--so long!

VOA: special.2010.05.15

And the long-awaited Airbus A400M, a military cargo plane, is years behind schedule and billions of dollars over budget.

VOA: standard.2010.07.23

The election was held to replace long-time president Omar Bongo, who died in June after 42 years in power.

VOA: standard.2009.10.04