鸟用爪抓地面, 有些甚至啄食石块和沙砾.Birds scratch, and some eat stones and grit.猫用爪抓了他的手.The cat raked his hand with its claws.横躺的不动在地板上是看起来像一被用爪抓的某事, 附于其后气囊.Lying motionless on the floor was something that looked like a clawed, tailed ...