Definition

Examples

• 这种火山岩非常坚硬。
  Zhè zhǒng huǒ shān yán fēicháng jiānyìng.
  This type of volcanic rock is very hard.
• 火山岩的化学成分有很多种。
  huǒ shān yán de huàxué chéngfèn yǒu hěn duō zhǒng.
  There are many types of chemical compositions in volcanic rock.
• 那座火山喷出了大量火山岩。
  Nà zuò huǒshān pēn chū le dàliàng huǒ shān yán.
  That volcano erupted a large amount of lava.