/pəˈsep.ʃən/
an idea, a belief or an image you have as a result of how you see or understand sth 看法；见解
a campaign to change public perception of the police
改变警察公众形象的运动
~ that…
There is a general public perception that standards in schools are falling.
公众普遍认为，学校的水平都在下降。
[U] (specialist or formal) the way you notice things, especially with the senses 知觉；感知
our perception of reality
我们对现实的认识
visual perception
视觉