motion sickness
noun [ U ] uk/ˈməʊ.ʃən ˌsɪk.nəs/ us/ˈmoʊ.ʃən ˌsɪk.nəs/ (also mainly UK travel sickness)
旅行眩晕（指晕车、晕船、晕机）
a feeling of being ill, especially of needing to vomit, that some people get in a moving vehicle
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