roller coaster
柯林斯词典
1. N-COUNT A roller coaster is a small railway at an amusement park that goes up and down steep slopes fast that people ride on for pleasure or excitement. 过山车
It's great to go on the roller coaster five times and not be sick. 能坐5次过山车而不吐真够棒的。
2. N-COUNT If you say that someone or something is on a roller coaster, you mean that they go through many sudden or extreme changes in a short time. (指人或事急转突变) 过山车[journalism]
I've been on an emotional roller coaster since I've been here. 自从我到这里以来，情绪像坐上了过山车。
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roller coaster (roller coasters)
剑桥词典
- [ 可数名词：有复数形式的名词 ]
an exciting entertainment in an amusement park , like a fast train that goes up and down very steep slopes and around very sudden bends
过山车，云霄飞车
[ 单数名词 ]
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。 返回 roller coaster