noun 下载 🔗分享 鼠兔, 披卡. Any of several small, furry mammals, similar to guinea pigs, but related to rabbits, of the family Ochotonidae, from the mountains of North America and Asia. Examples : "While hiking in the Rocky Mountains, we heard a high-pitched squeak and then spotted a small pika scurrying between the rocks. " 在落基山脉徒步旅行时,我们先是听到了一声尖锐的叫声,然后看到一只小小的鼠兔 (shǔ tù),或者叫披卡 (pī kǎ),在岩石间窜来窜去。 animal nature organism biology environment 与AI对话词汇游戏阅读练习