double-curve

英['dʌblk'ɜːv] 美['dʌblk'ɜːv]
  • 双曲线
  • double adj.双重的;成双的;两倍的v.翻一番;使...加倍n.两倍;双份
  • winder n.缠绕者;卷线机;楼梯的斜踏步;上发条的转柄