Tra từ earned run average - Từ điển WordNet v3.1

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earned run average
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Từ điển WordNet v3.1 - WordNet Dictionary

earned run average

noun

(baseball) a measure of a pitcher's effectiveness;
calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched
• Syn:
ERA
• Topics:
baseball, baseball game
• Hypernyms:
standard, criterion, measure, touchstone