N-PROPER 怀特霍尔(伦敦一街名，许多政府机关所在地)；白厅(指英国政府)Whitehall is the name of a street in London in which there are many government offices. You can also use Whitehall to mean the British Government itself. 怀特霍尔(伦敦一街名，许多政府机关所在地)；白厅(指英国政府)
...people with banners marching down Whitehall.
打着标语在怀特霍尔街上行进的人们
Whitehall said that it hoped to get the change through by the end of June.