プログレッシブ和英中辞典(第4版)の解説
だせき【打席】
〔野球で〕a turn at bat; a trip to the plate
５打席で１安打だった
In five 「times at bat [trips to the plate] he had one hit.
彼は今日４回打席に立って３安打だった
He had three hits in four at-bats today.
３回目の打席の時に
when he 「was at bat [came to bat] the third time／in his third at-bat／his third time up
打席に立つ
go to the batter's box／go [step up] to the plate