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来源:雅诚德英语网
Researchers recently found kimberlite deposits hinting at the existence of diamonds.
研究人员最近发现了金伯利岩矿床,这暗示着钻石的存在。
Researchers recently found kimberlite deposits hinting at the existence of diamonds.
研究人员最近发现了金伯利岩矿床,这暗示着钻石的存在。