Definition

Examples

• 矿工们正在坑道里开采矿石。
  Kuànggōngmen zhèngzài kēng dào lǐ kāicǎi kuàngshí.
  The miners are extracting ore in the tunnel.
• 这条坑道是战时修建的，用于运输物资。
  Zhè tiáo kēng dào shì zhànshí xiūjiàn de, yòng yú yùnshū wùzī.
  This gallery was built during wartime for transporting supplies.
• 他们花了三个月才挖通这条坑道。
  Tāmen huā le sān gè yuè cái wā tōng zhè tiáo kēng dào.
  It took them three months to dig through this tunnel.