(used of a springbok (= a Southern African mammal like a deer) or similar animal) to jump high in the air with straight legs and a curved back

Watch this incredible video of springboks pronking. 来看看这段不可思议的视频：跳羚的直腿四足弹跳。

The alpacas will play and jump - the young ones "pronking", or bouncing with straight legs. 羊驼会玩耍和跳跃——年幼的羊驼会"pronk"，也就是直腿四足弹跳。