英语词汇“roller coaster”的释义、用法及例句-英汉例句词典-知否

词汇	roller coaster
例句	noun a roller-coaster ride乘坐过山车 The last few weeks have been a real roller coaster. 过去的几个星期，形势真是变幻莫测。 an emotional roller coaster
随便看	doorsteps doorway do out of do over doozie doozies dop dope doped do, perform, stage a disappearing/vanishing act dopes dopey dopier dopiest doping dopped dopping dops Dorian Gray Doric dories do right by somebody dork dorky dormancy

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