caves
A cave is a large hole in the side of a cliff or hill, or one that is under the ground.
Outside the cave mouth the blackness of night was like a curtain.
洞口外面,漆黑的夜晚宛如一块幕布。
caves , caving , caved
cave in
If something such as a roof or a ceiling caves in, it collapses inwards.
Part of the roof has caved in.
部分屋顶已经坍塌了。
If you cave in, you suddenly stop arguing or resisting, especially when people put pressure on you to stop.
give in
After a ruinous strike, the union caved in.
在一次造成极大破坏的罢工之后,工会妥协了。
The judge has caved in to political pressure.
迫于政治压力,法官屈服了。