DIRT TRACK
\dˈɜːt tɹˈak], \dˈɜːt tɹˈak], \d_ˈɜː_t t_ɹ_ˈa_k]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.