复合胺是一种大脑中与人类感情有关的化学成分。

Serotonin is a brain chemical closely associated with mood.

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磷脂复合食品是以磷脂为主要营养成分的保健食品。

Phosphatide compound food was a healthy food, of which main nutritional ingredient was phosphatide.

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复合体的一种成分。

To add a tracer to(a compound).

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复合体的一种成分。

To add a tracer to(a compound).

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