yán​cháng​xiàn

extended line

yán​cháng​xiàn extended line

  1. extension
    (of a line etc.) the act or result of making something longer; lengthening
  2. line (geometry)
    (geometry) the figure formed by a moving point

yán​cháng​xiàn extension cord

  1. extension
    (of a line etc.) the act or result of making something longer; lengthening
  2. thread
    thread; string; wire; something long and thin like a thread; (bound form) made of cotton thread