pindexphytonadione./fahy-toh-nuh-dahy-ohn/US // ˌfaɪ toʊ nəˈdaɪ oʊn //植酮,植酮类,植物神经元,植酮类药物Definitionsn.noun · 名词1. Biochemistry.›vitamin K1. Level 5More words in p →