英语词汇“half a million years”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	half a million years
释义	half a million years 基本例句五十万年 But geologists using deep quarrying techniques have found evidence of ancient corals there that arehalf a million yearsold.但地质学家使用深海采石技术发现了有五十万年历史的古代珊瑚的证据。
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