深處 angolul

abyss [abysses]▼(anything infinite, immeasurable, or profound)
noun
[UK: ə.ˈbɪs] [US: ə.ˈbɪs]

cavern [caverns]▼(underground chamber)
noun
[UK: ˈkæ.vən] [US: ˈkæ.vərn]