• 细菌源追踪技术日臻完善,科学家估计部分地区20%30%的细菌狗狗造成的。

    Now that bacteria-tracking methods have gotten better, scientists estimate that in some areas, 20 to 30 percent of the bacteria in a stream comes from dogs.

    youdao

  • 细菌源追踪技术日臻完善,科学家估计部分地区20%30%的细菌狗狗造成的。

    Now that bacteria-tracking methods have gotten better, scientists estimate that in some areas, 20 to 30 percent of the bacteria in a stream comes from dogs.

    youdao

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