[ I or T ] to be in a high position or in a position near the edge of something, or to put something in this position（使）位于高处（或…的边缘）；（使）栖息在高处（或…的边缘）

[ C or U ] plural perch or US also perches a fish that lives in lakes and rivers and is eaten as food河鲈

[ C ] a place where a bird sits, especially a thin rod in a cage (= wire box)（鸟的）栖息处（尤指鸟笼里的细杆）

[ C ] a seat or other place high up, often giving a good view of something below（常指能很好地俯视低处的）高座，高处