1. Tall buildings perch on the top of rocky cliffs.
   高耸的建筑屹立在嶙峋的悬崖顶上。
2. She perched on a tall chair.
   她坐在高椅子上。
3. A pigeon perched on our porch railing.
   一只鸽子栖息在我们门廊的栏杆上。
4. He perched himself [was perched] on a high stool.
   他坐在高凳子上。
5. The bird perched on a cedar by the window.
   鸟栖息在窗前的杉树上。

　7个名词解释

　3个动词解释