The aural assault on Britain's potentially troublesome youth is not the first.
用噪音来对付那些潜在的问题少年并不是第一次了。
a spate of :一连串,一系列
Police are investigating a spate of burglaries in the area.
警察正在调查这一地区发生的大量盗窃案。
A spate of strikes has thrown a spanner into the workshop of the world.
一系列的罢工让世界工厂乱套了。