Like humans, dogs have special smell receptor cells lining their noses.

像人类一样，狗在鼻子旁边有着特别的嗅觉接受器细胞。

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Whereas molecular gastronomy is concerned primarily with the food or "smell" molecules, neurogastronomy is more focused on the receptor molecules and the brain's spatial images for smell.

分子美食学主要关注食物或“气味”分子，而神经美食学更关注受体分子和大脑对气味产生的空间图像。

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In the meantime, other scientists had identified a receptor in a group of neurons that enable fruit flies to smell carbon dioxide, which signals the presence of a good meal of tasty yeast.

同时，其他科学家已经在一组神经元中识别出了一个受体，这个受体能使果蝇闻到二氧化碳，二氧化碳是一顿美味的活酵母呈现的标志。

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