to zero in on为么意思是集中精力于..请举例句

to zero in on为么意思是集中精力于..请举例句
to zero in on为么意思是
集中精力于..
请举例句

to zero in on为么意思是集中精力于..请举例句
短语zero in on：向...集中火力（或注意力）,对准
例句
The congressional opponents zeroed in on the bill.
国会中的反对派把矛头集中指向这项议案.