cavern
🇺🇸
/ˈkævərn/
🇬🇧
/ˈkævən/
noun
R
A large, natural underground space that is open and has no roof.
The explorers discovered a hidden cavern filled with sparkling crystals.
探险者们发现了一个隐藏的洞穴，里面充满了闪闪发光的水晶。
translation
洞穴
词形变化
Plural
caverns