The only way you preserve pitching arms is throwing; that makes the arm stronger.

The only way you preserve pitching arms is throwing; that makes the arm stronger.

保持俯仰手臂的唯一方法是投掷;这使手臂更强壮。

-- Juan Antonio Marichal Sanchez 胡安·安东尼奥·马里查尔·桑切斯