Several years ago Dennis Hedgecock of the University of Southern California and his colleagues discovered that oysters can hybridise.
几年前南加州大学的丹尼斯和他的同事发现牡蛎可以杂交。
Several years ago Dennis Hedgecock of the University of Southern California and his colleagues discovered that oysters can hybridise.
几年前南加州大学的丹尼斯和他的同事发现牡蛎可以杂交。
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