Recent research findings have muddied the waters considerably—scientists are having to re-examine all their existing theories.
最近的研究成果使事情大为复杂，科学家不得不重新
有理论。
Recent research findings have muddied the waters considerably—scientists are having to re-examine all their existing theories.
最近的研究成果使事情大为复杂，科学家不得不重新有理论。
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