0 a large hole in the side of a hill, cliff, or mountain, or one that is underground -- 洞穴；山洞；地洞
1 to agree to something that you would not agree to before, after someone has persuaded you or threatened you -- 让步；屈服；妥协
The echoes of his scream sounded in the cave for several seconds.
French business groups reliant on colonial trade showed no sign of caving in to the arguments of the progressive bureaucrats willing to diversify colonial economies.
The blockages, themselves, could provide evidence of the cave's original contents.
The crevices between the loose rock in the caves were often found partly filled with soil rich in organic remains.
