a cavernous voice的用法和样例：
- A cavernous yawn; cavernous echoes.
- A cavern was found by a traveler under the mountain.
- A cavernous yawn;cavernous echoes.
- We had never stepped into such a cavernous space.
- To enclose in or as if in a cavern.
- A cavern was found by a travelerunder the mountain.