Tra từ ornithologist - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

ornithologist or·ni·tholo·gist [ornithologist ornithologists] BrE [ˌɔːnɪˈθɒlədʒɪst] NAmE [ˌɔːrnɪˈθɑːlədʒɪst] noun a person who studies birds compare ↑birdwatcher