| 释义 |
roller coaster
(also roller-coaster) (also rollercoaster)
noun
countable
■an exciting entertainment in an amusement park , which is like a fast train that goes up and down very steep slopes and around very sudden bends 过山车；云霄飞车
only singular
■a situation which changes from one extreme to another, or in which a person's feelings change from one extreme to another （局势的）急转突变，变幻莫测；（情绪的）大起大落•He was on an emotional roller coaster for a while when he lost his job.他失去工作后，有段时间情绪总是大起大落。 |