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SCIENCE STUDY

Moo, moo, let’s use the loo!

作者:TEENS
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Cows like this one contribute to greenhouse gases. QIANTU

为保护环境,德国科学家训练奶牛如厕。

Would you ever potty-train (训练如厕) a cow? That’s what German researchers did to deal with the environmental pollution caused by livestock (牲畜) waste.

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