round-tripper

Traditional Chinese Translation for "round-tripper":

round-tripper n. (俚)全壘打 [Mantle slammed his third ~ of the day 21st of the season. 曼圖爾擊出一天之內的第三支全壘打,那是今年棒球季開賽以來他所擊出的第二十一支全壘打; ; ]