caveBrE/keɪv/NAmE/keɪv/verbpresent simple - I / you / we / theycaveBrE/keɪv/NAmE/keɪv/present simple - he / she / itcavesBrE/keɪvz/NAmE/keɪvz/past simplecavedBrE/keɪvd/NAmE/keɪvd/past participlecavedBrE/keɪvd/NAmE/keɪvd/ -ing formcavingBrE/ˈkeɪvɪŋ/NAmE/ˈkeɪvɪŋ/●ˌcaveˈin (onsb/sth)(ofaroof, wall, etc.房顶、墙等) tofalldownandtowardsthecentre塌落;塌陷;坍塌◆Theceilingsuddenlycavedinontopofthem. 他们头顶的天花板突然塌落。➡ related noun cave-in●ˌcaveˈin (tosth)tofinallydowhatsbwantsafteryouhavebeenstronglyopposingthem让步;屈服;屈从◆ThePresidentisunlikelytocaveintodemandsforapublicinquiry. 总统未必会同意进行公开调查。➡ see alsocaving