onychophagia / ˌɒn ɪ koʊˈfeɪ dʒə, -dʒi ə /

📖毕业后词汇嗜睡症嗜食症嗜睡癖嗜食癖

onychophagia 的定义

n. 名词 noun

Psychiatry.

  1. the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.