sildenafil /'sɪldnəfɪl/ 📖 中文释义 n. 西地那非; [医]昔多芬, 一氧化氮样药物, 商品名Viagra(伟哥) 📘 English Definition(英文释义) n. virility drug (trade name Viagra) used to treat erectile dysfunction in men ← silda S 字母词表 sildenafil citrate →