When that keeps happening, the roots do not have enough time to recover.

VOA: special.2010.01.19

At the time, scientists believed that a person at the top of the mountain would only have enough oxygen to sleep.

VOA: special.2010.06.30

But the torrential rains have not stopped. They are expected to continue for several more weeks, enough time to add to the already extensive damage that has occurred.

VOA: standard.2009.09.05