pull chain

英 美
  • 牵引链
  • chain n.束缚;链条;链;(一)连串;连锁店(常用复数)vt.束缚;用铁链锁住
  • pull v.拉;拖;牵;拔;吸引n.拉;拉力;引力;划船;影响力
Noun:
  1. a chain (usually with a handle at the end) that is pulled in order to operate some mechanism (e.g. to flush a toilet)