单词	undertrick
释义	undertrick noun un·​der·​trick ˈən-dər-ˌtrik  : any of the tricks by which a declarer in bridge falls short of making the contract Word History First Known Use 1903, in the meaning defined above
随便看	switchbacking switchbacks switchblade switchblades switchboard switchboards switched switched off switched on switchel switchels switcher switcher gear switcheroo switcheroos switchers switches switches off switches on switchest switchgear switchgears switchgrass switchgrasses switching

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