The old man quickly took the policeman's hand and put it down on the top of the light.
老人迅速抓住警察的手,把它放在灯的顶上。
When I looked down from the top floor, I felt giddy.
我从顶楼朝下看时感到头晕目眩。
They put down wooden boards, and laid new carpets on top.
他们安装了木地板,还在上面铺了新地毯。
"The Tea Party movement is not a top-down operation.
VOA: special.2010.03.06
Top-down processing is an example of when you know what something is you hear it that way.
举例来说,自上而下加工就是,当你知道某句话是什么的时候,你便会按照这句话去听
So, top-down processing affects how we hear things, usually, almost always, for the better.
所以,自上而下加工几乎总是,会往好的方向影响我们的理解
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