空洞可以指:

  • 空洞 (天文学),纤维状结构之间的空间
  • 空洞合唱团,又称洞穴乐队,美国摇滚乐队
  • 空洞现象,在流动的液体中,因为压力差在短时间内发生气泡的产生与消灭的物理现象
  • Kairos,译名空洞,韩国2020年电视剧。

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