cave in片語動詞KK [kev ɪn] /keɪv ɪn/發音片語動詞1塌陷、坍塌、下陷The tunnel roof caved in after three days of heavy rain.連下三天大雨後，隧道頂部塌陷了。2屈服、讓步、妥協The company finally caved in and raised everyone's wages.公司最後還是讓步，給所有人加了薪。名詞1塌方、坍塌、崩塌Rescuers spent all night digging through the cave-in.救援人員整夜在坍塌的土石中挖掘。