plantigrade
adj. 踯行的;踯行类的
n. 踯行动物
例句
It has the plantigrade feet (heel and sole touching the ground) typical of bears, with five sharp, curved claws on each foot for grasping the ice and holding its prey.
它有熊的跖行足的特征,有每只脚上的五个弯曲锋利的爪子用来抓住冰和紧握猎物。