noun🔗Share刺猬,箭猪 Any of several rodents of either of the taxonomic families Hystricidae (Old World porcupines) or Erethizontidae (New World porcupines), both from the infraorder Hystricognathi, noted for their sharp spines or quills, which are raised when the animal is attacked or surprised."The porcupines were startled by the loud noise and raised their sharp quills defensively. "那些箭猪被巨大的噪音吓了一跳,立刻竖起它们尖锐的刺自卫。animalnaturebiologyChat with AIVocabulary GamePractice Reading