cave-in

n.

塌方；陷落；

复数：cave-ins

1. The outer layers of the star would literally cave in.
   恒星外层会向内陷落。

cave-in
Genetic history of an archaic hominin group from Denisova Cave in Siberia.
The Mind in the Cave — the Cave in the Mind: Altered Consciousness in the Upper Paleolithic
Patterns of population size, diet, and activity time for a multispecies assemblage of bats at a cave in Puerto Rico
U-series dating of Paleolithic art in 11 caves in Spain.
Histoplasmosis associated with exploring a bat-inhabited cave in Costa Rica, 1998-1999.
Calcite Moonmilk: Crystal Morphology and Environment of Formation in Caves in the Italian Alps
A preliminary analysis of failure mechanisms in karst and man-made underground caves in Southern Italy
Description of a new argasid tick (Acari: Ixodida) from bat caves in Brazilian Amazon
Remipedia, a New Class of Crustacea from a Marine Cave in the Bahamas