earn a base on balls編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看earn a base on ballsearn a base on balls — 動詞動詞1. In baseball, to get to first base after the pitcher throws four balls1.動詞釋義獲得保送In baseball, to get to first base after the pitcher throws four balls例句He earned a base on balls in the ninth inning.