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1.dive for 潜水寻找
With its 56-inch wingspan, a mature female red-tailed hawk can weigh up to four pounds and dive for the kill at 120mph.
一只有56英寸翼展的成年雌红尾鹰，可以重达四磅，为了捕杀可以120英里的时速俯冲。
2.driven by 由...驱动
The submarine is driven by nuclear power.
这艘潜艇是由核动力驱动的。
