2B

词形变化

2Bs 复数 2Bs

释义与例句

n.
  1. 1.

    second base, second baseman.

    体育 游戏
  2. 2.

    Double, a baseball statistic indicating a runner has safely advanced to second base.

    体育 游戏
  3. 3.

    A grade of pencil with lead that makes darker marks than a pencil grade B but lighter marks than a pencil of grade 3B.

    英国