roller coasters

英 美
  • 滑行车
  • coasters n.杯垫;航海者(coaster复数)
  • roller n.滚筒;滚轴;滚转机;巨浪
名词 roller coaster:
  1. anything characterized by abrupt and extreme changes (especially up and down)

  2. elevated railway in an amusement park (usually with sharp curves and steep inclines)