speleologist
🇺🇸
/ˌspiːliˈɑːlədʒɪst/
🇬🇧
/ˌspiːliˈɒlədʒɪst/
A person who studies or explores caves.
The speleologist carefully navigated through the dark cave, searching for new formations.
洞穴学家小心翼翼地穿过黑暗的洞穴,寻找新的地形。