roller coaster

Xem thêm: big dipper, chute-the-chute



roller coaster

Từ điển WordNet

    n.

  • anything characterized by abrupt and extreme changes (especially up and down)

    the economy has been on a roller coaster all year

  • elevated railway in an amusement park (usually with sharp curves and steep inclines); big dipper, chute-the-chute