Birds of prey use warm air currents to lift them high in the sky.猛禽利用暖气流升上高空。Seven species of birds of prey have been observed.观察到了七种猛禽。Birds of prey use air currents to lift them.食肉猛禽利用气流使自己飞起来。We watched a bird of prey swoop down on a mouse.我们看着一只猛禽俯冲扑向一只老鼠。