yì​wù'èr​xī

isoprene

  1. adjectiveverb
    different
    (bound form) different; not the same; diverse
  2. the fifth Heavenly Stem
    the fifth of the ten Heavenly Stems; also used to represent the fifth in a series, such as the letter 'E' or the Roman numeral 'V'
  3. èr numeral
    two
    the number two; 2
  4. noun
    alkene
    (bound form) alkene; olefin; a class of unsaturated hydrocarbons containing carbon-carbon double bonds