ReadWriteQuiz
Chinese dictionary
n.cavern; grotto; (indicating to hide people or things or animals) cave; abri; animal den
洞穴探察
spelunking
隧道通往一个洞穴。
The tunnel opened out into a large cavern.
一个洞穴般空旷的食堂
a cavernous dining hall
他追踪那只动物到它的洞穴。
He trailed the animal to its den.