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请告诉我如何分辨毒蛇和无毒蛇。
Please tell me how to distinguish a poisonous snake from a harmless one.
youdao
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你知道如何分辨毒蛇和无毒蛇吗？
Do you know how to distinguish a poisonous snake from a harmless one?
youdao
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你知道如何分辨毒蛇和无毒蛇吗？
Do you know how to distinguish a poisonous snake from a harmless one?
youdao