| 单词 | earned run average |
| 释义 | earned run average earned run average n.Abbr. ERABaseball （名词）缩写 ERA【棒球】 A measure of a pitcher's performance obtained by dividing the total of earned runs allowed by the total of innings pitched and multiplying by nine.投手责任得分率：一种测量投手表现情况的方法，将所得的责任分除以所有回合中所投的球数再乘以九，即得投手责任得分率 |
| 随便看 |
英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。