FRONT ENTRANCE
\fɹˈʌnt ˈɛntɹəns], \fɹˈʌnt ˈɛntɹəns], \f_ɹ_ˈʌ_n_t ˈɛ_n_t_ɹ_ə_n_s]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.