second base 的英语意思
second baseˌsecond ˈbase noun [uncountable] 
查看全部语言翻译 the second of the four places you have to run to in games such as baseball in order to get a point棒球等运动中为得分而须依次跑到的四个垒包中的第二个垒（二垒）
查看全部语言翻译 the second of the four places you have to run to in games such as baseball in order to get a point棒球等运动中为得分而须依次跑到的四个垒包中的第二个垒（二垒）