这种代谢消耗可能是由于唱歌或与唱歌相关的行为中涉及的肌肉和神经活动所产生的。

This metabolic cost may arise from the muscular and neural activity involved in singing or from behaviors associated with singing.

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草鱼的能量学特征为高摄食率、高代谢消耗、低生长效率。

The bioenergetics of the grass carp was characterized by a high consumption rate, high metabolic expenditure and low growth efficiency.

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这种电动机械装置需要每天进行充电，在带来自然步伐的同时还确保不会对使用者带来“代谢消耗”，他说道。

The powered mechanism, which will require daily recharging, creates a natural gait and ensures that no "metabolic cost" is imposed on the wearer, he says.

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As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.

我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选