perching造句

A robin was perching on the fence.
一只知更鸟落在篱笆上。

Perching can be discouraged by scaring, shooting or chemical repellants.
轰吓、射杀或者用化学忌避剂可防止鸟类栖息.

Perching on the periphery of every orchestra is a percussion player.
坐在每支管弦乐队外围的是打击乐演奏者.