单词：nafcil 

名词

• 
  [1.n.nafcil] (同义词:[nafcillin( n. [药]乙氧萘(胺)青霉素,新青霉素III, 萘夫西林 )]  [Nafcil]  )
• 
  注释列句：a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci
• 上位词 -> [penicillinase-resistant_antibiotic]  [penicillin( n. [微]青霉素（一种抗菌素，音译名为盘尼西林） )]  [antibiotic( n. 抗生素 adj. 抗生的 )]  [antibacterial( adj. 抗菌的 n. 抗菌药 )]  [medicine( n. 药, 医学, 内科学, 内服药 vt. 给...用药 )]  [drug( n. 药, 麻药, 麻醉药, 滞销货 vi. <俗> 吸毒 vt. 使服毒品, 毒化 )]  [agent( n. 代理(商) )]  [causal_agent]  [physical_entity]  [entity( n. 实体 )]