Definition

Examples

• 他们发现了一个很大的山洞。
  Tāmen fāxiàn le yí gè hěn dà de shān dòng.
  They discovered a very big cave.
• 这个山洞里很黑，要带手电筒。
  Zhège shān dòng li hěn hēi, yào dài shǒudiàntǒng.
  It's very dark in this cave; you need to bring a flashlight.
• 考古学家在这个山洞里找到了古代壁画。
  Kǎogǔxuéjiā zài zhège shān dòng li zhǎodào le gǔdài bìhuà.
  Archaeologists found ancient murals in this cave.