thionaphthene /θaiә'næfθi:n/ 📖 中文释义 硫茚 📘 English Definition(英文释义) n. A double benzene and thiophene nucleus, C8H6S,analogous to naphthalene, and like it the base of a large series ofderivatives. ← thionamide grous T 字母词表 thionaphthol →