单词 | roller coaster |
释义 | roller coasterˈroller ˌcoaster noun [countable] 1a track with sudden steep slopes and curves, which people ride on in special cars at fairs and amusement parks2a situation that is impossible to control, because it keeps changing very quickly: The last six months have been an emotional roller coaster (=a situation that causes your emotions to change in extreme ways) for our family. |
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