EXCURSION-TRAIN
\ɛkskˈɜːʃəntɹˈe͡ɪn], \ɛkskˈɜːʃəntɹˈeɪn], \ɛ_k_s_k_ˈɜː_ʃ_ə_n_t_ɹ_ˈeɪ_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.