Professor Kaufman says it could take the slow-growing coral as long as one hundred years to recover.
VOA: special.2010.08.10
Anders Wilhelmson says the sanitation process can take as little as a couple of hours or as long as two to four weeks.
VOA: special.2010.03.15
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
The roads are good, a driver can see far -- and a trip hundreds of kilometers long can take just a few hours.
VOA: special.2010.04.26
But such fast trains would take a long time to put in place in the United States.
VOA: special.2011.02.11
Visitors who choose not to take long walks can leave the small bus at different stops.
VOA: special.2009.04.15
But it did not take long for the health care meeting to become heated.
VOA: special.2010.02.27
It did not take long for Amelia to make her first flight by herself.
VOA: special.2010.05.26
"No matter how long it may take us to overcome this premeditated invasion, the American people in their righteous might will win through to absolute victory...
VOA: special.2011.06.02
They will have to tell how long and how much it would take to pay off a card if the holder makes only the lowest monthly payment.
VOA: special.2009.05.22
Farmers may think trees will take too long to grow and be effective.
VOA: special.2009.09.08
It did not take long before my friend's dishonesty was discovered.
VOA: special.2009.10.11
Long-period comets,however, may take several hundred years to orbit the sun.
VOA: special.2011.02.09
Adobe can take a long time to dry and become hard.
VOA: special.2009.01.12
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