runner-up /ˈrʌnɚˌʌp/ noun plural runners-up /ˈrʌnɚzˌʌp/ plural runners-up /ˈrʌnɚzˌʌp/ Learner's definition of RUNNER-UP
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: a person or team that does not win first place in a competition but that does well enough to get a prize非冠军的获奖者 especially : a person or team that finishes in second place(尤指)亚军