roller coaster

英 ['rəulə 'kəʊstə] 美 ['roulə 'koʊstə]

• n. 过山车

英英释义

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)

例句

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。

近反义词

【近义词】

• chute-the-chute <美>顺波下滑...
• Big dipper 北斗七星