The observers on the ground had no reason to believe the white spot they saw was made by the spacecraft.
VOA: special.2009.07.22
This house was on much higher ground than the White House, so the wind kept it cooler.
VOA: special.2010.05.10
Earlier this month, Michelle Obama and twenty-three schoolchildren helped prepare the ground for an organic vegetable garden on the South Lawn of the White House.
VOA: special.2009.03.31
The Democrats met just three blocks from the White House, but with half a meter of snow on the ground from a winter storm, the trip became dangerous.
VOA: standard.2010.02.06
应用推荐