roller coaster

英['rəulə'kəʊstə] 美['roulə'koʊstə]
  • n.过山车
  • coaster n.杯垫;小托盘;惯性运转装置;沿海航行船
  • roller n.滚筒;滚轴;滚转机;巨浪
Noun:
  1. anything characterized by abrupt and extreme changes (especially up and down);

    "the economy has been on a roller coaster all year"

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

    用作名词 (n.)
    1. I want to ride on the roller coaster.
      我想坐过山车。
    2. Life is a loller coaster, and you never know when it turns.
      生活就像过山车,你根本不知道他什么时候会转弯。

【邻近词汇】