ectrodactylism / ˌɛk troʊˈdæk təˌlɪz əm /

📖毕业后词汇外八字外八字诀外八卦外八股

ectrodactylism 的定义

n. 名词 noun

Medicine/Medical.

  1. the congenital absence of part or all of one or more fingers or toes.