TEEN PREGNANCY
\tˈiːn pɹˈɛɡnənsi], \tˈiːn pɹˈɛɡnənsi], \t_ˈiː_n p_ɹ_ˈɛ_ɡ_n_ə_n_s_i]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.