cave in
1. 塌落
When did the ceiling cave in ?
天花板什么时候塌落的?
2. 使塌落
The floods caved in that dike.
洪水冲坍了那座堤坝。
3. 认输
The enemy had to cave in and surrender.
敌人只好屈服投降。
习惯用语cave in1.坍陷, 凹进去2.[口]屈服, 投降cave (back) over1.倒下, 翻转特殊用法breathing cave1.【地质】呼吸洞blowing cave1.吹风洞dripstone cave1.滴水石洞穴gallery-like cave1.长洞high level cave1.高放(射性)热室hot laboratory cave1.【核】热室ice cave1.冰穴; 冰洞Lascaux Caves1.拉斯科岩洞(在法国比勒高省 Perigord 多尔多涅 Dordogne 附近)low-level cave1.低本底工作室marine cave1.海蚀洞, 海蚀壁龛saltpeter cave1.硝石洞sea cave1.海蚀洞tank roof cave1.油罐顶檐