perch常与介词on连用。

用作不及物动词
▲S+～(+A)
The bird perched on a big branch.鸟栖息在一根大树枝上。
We perched on a couple of high stools at the bar.我们坐在酒吧的几个高脚凳上。
用作及物动词
▲S+～+n./pron.
He perched himself on the edge of the bed.他坐在床沿上。
◇ 用于be ～ed结构
The village is perched on top of a high hill.村子坐落于一个高山顶上。

［派生词］ percher n. 栖木类鸟；居于高处的人或物；验布工

I like fishing for perch on vacation.我喜欢在假期中钓鲈鱼。
The bird took its perch.鸟停歇在栖木上。
We watched the parade from our perch.我们从高处观看游行。