单词	ball pair
释义	ball pair 胞对
随便看	trainum train unit train up train value train voice communication train waiting for a receiving track train wave trainway trainways train wheel train wheel bridge train wheel bridge foot train wheel bridge screw train wheel bridge support train wheel bridge tapped foot train wheels train wind train with train withdrawn from schedule train workers train working train working diagram train working plan train working program train wreck 信口胡言信口雌黄信守不渝信手拈来信步而行信笔涂鸦信而好古信而有征信而有证信言不美料到料力料及料器料场料子料定料峭料度料想