通过对以光滑鱼为猎食的鱼鹰进行研究发现，它不象其它的食肉鸟类，它有四只同样长而非常有力的爪，并且最外边的一只是可以钩回和前后旋转。
Ospreys specialise in catching slippery fish. Unlike other birds-of-prey, they have four powerful toes of about equal length, while the outer one is reversible and can swivel backwards or forwards.
它由分配器本体、旋转阀心、定位轮、定位爪、油缸等组成。
The utility model is formed by a distributor body, a rotary valve core, a locating wheel, a locating detent, an oil cylinder and so on.
蝙蝠车前引擎盖上的按钮被按下时捕获的恶棍，将部署旋转的火焰和爪。
The Batmobile has spinning flames and claw on the front that will deploy when the button on the hood is pressed-capturing the villains.
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