The catchers at first base and third base simulate proper footwork and throwing fundamentals while throwing to each other, just as the catchers do at home plate and second base.

模拟二垒阻杀(即对角线传球)，一垒和三垒，本垒和二垒，进行传接球。

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The catchers at first base and third base simulate proper footwork and throwing fundamentals while throwing to each other, just as the catchers do at home plate and second base.

模拟二垒阻杀(即对角线传球)，一垒和三垒，本垒和二垒，进行传接球。

youdao