Roller-Coaster Swaps滑道型互换
Roller-coaster过山车;翻滚过山车;云霄飞车;高山车
He roller-coaster他坐过山车
emotional roller-coaster情感起伏大
roller r coaster娱乐场的环形滑车道;过山车;环滑车
Roller-Coaster Rabbit过山车兔子
Roller-coaster swap过山车掉期;型互换
a roller-coaster ride滚筒过山车;过山车
a really exciting roller-coaster一个真正令人兴奋的过山车
N-COUNT（可数名词） 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。
N-COUNT（可数名词） 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。