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.
人体无法控制代谢过程中所消耗的热量，但可以控制吃入食物的品种与数量，以及在体力活动中消耗多少热量。
People cannot control the calories expended in metabolicprocesses, but they can control what they eat and drink, as well as how manycalories they use in physical activity.
虽然你无法控制新陈代谢的速度，但您可以通过体力活动来控制消耗卡路里的多少。
While you don't have much control over the speed of your metabolism, you can control how many calories you burn through your level of physical activity.
例如，小动物较高的新陈代谢率，以其体重的每单位计算均能赋予动物以持续不断的能量和活动能力，但其代价是，要求它们不间断地消耗水和食物。
The high metabolic rate of small animals, for example, gives them sustained power and activity per unit of weight, but at the cost of requiring constant consumption of food and water.
例如，小动物较高的新陈代谢率，以其体重的每单位计算均能赋予动物以持续不断的能量和活动能力，但其代价是，要求它们不间断地消耗水和食物。
The high metabolic rate of small animals, for example, gives them sustained power and activity per unit of weight, but at the cost of requiring constant consumption of food and water.
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