Though Obama stopped the downward slide,and even regained some momentum with Democrats and Independents after a primetime speech on health care reform,his approval numbers remained in the low 50s throughout the fall and began to slide again in Decemb

Though Obama stopped the downward slide,and even regained some momentum with Democrats and Independents after a primetime speech on health care reform,his approval numbers remained in the low 50s throughout the fall and began to slide again in December.
这是原句,Primetime a primetime speech是什么意思
Primetime还有其他什么用法

prime,极好的,精华部分,首要的等等意思.可做名字,形容词,及物动词等等.
a primetime speech,应该是演讲精选.

primetime 黄金时段，primetime speech 在黄金时段播出的演讲。就是指收视率高的时段，比如晚7点到9点或10点，这个时间看电视的人多，他这时候演讲，看的人多，效果就好。primetime好像就这一个意思。

Primetime speech
。。。。哎 我也静静在在线等答案！