naturalist
🇺🇸
/ˈnætʃrəlɪst/
🇬🇧
/ˈnætʃrəlɪst/
A person who studies nature and living things like animals, plants, and birds.
The naturalist spent his days observing the behavior of the birds in the forest.
自然学家在森林里观察鸟类的行为。