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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In the meantime, other scientists had identified a receptor in a group of neurons that enablefruit flies to smell carbon dioxide, which signals the presence of a good mealof 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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