backing-out

英['bækɪŋ'aʊt] 美['bækɪŋ'aʊt]
  • 列车退行,反回
  • backwind 使风转向
  • tube n.管子;管状物;地铁;电视;管状器官v.提供或装上管子
动词 back out:
  1. move out of a space backwards

  2. make a retreat from an earlier commitment or activity