英语词汇“quarter-billion”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	quarter-billion
释义	quarter-billionCOCA¹⁵³⁴⁹² 例句 Even though the eruptions happened a quarter-billion years ago, the method gave them an error of only about 100,000 years. 尽管那些火山喷发发生在两亿五千万年前，但该小组的方法可以将估测的误差限制在十万年左右。 yeeyan
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