The handler presented one twin's scent to the dog and then told it to go find the matching scent in a lineup of seven jars, which included the other twin's scent.
指挥者向警犬提供一位双胞胎的气味痕迹，让它在摆在一起的七个瓶子中找出对应的气味，这些瓶子中包含了另外一个双胞胎的气味。
The handler presented one twin's scent to the dog and then told it to go find the matching scent in a lineup of seven jars, which included the other twin's scent.
指挥者向警犬提供一位双胞胎的气味痕迹，让它在摆在一起的七个瓶子中找出对应的气味，这些瓶子中包含了另外一个双胞胎的气味。
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