山洞 (shān dòng) — cave

定義

例文

• 他们发现了一个很大的山洞。
  Tā men fā xiàn 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。
  Zhè ge shān dòng lǐ hěn hēi, yào dài shǒu diàn tǒng.
  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。
  Kǎo gǔ xué jiā zài zhè ge shān dòng lǐ zhǎo dào le gǔ dài bì huà.
  Archaeologists found ancient murals in this cave.