cave in片语动词

塌陷、坍塌、下陷

The tunnel roof caved in after three days of heavy rain.

连下三天大雨后，隧道顶部塌陷了。

屈服、让步、妥协

The company finally caved in and raised everyone's wages.

公司最后还是让步，给所有人加了薪。

塌方、坍塌、崩塌

Rescuers spent all night digging through the cave-in.

救援人员整夜在坍塌的土石中挖掘。