Visceral fat (within the abdomen) is more metabolically active, and an increased waist circumference (or waist: hip ratio) correlates better with both metabolic risk and long term disease.

内脏脂肪(腹腔中)在代谢上更活跃，腰围(或腰围：臀围的比例)增加与代谢上的隐患及长期疾病有更密切的关系。

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Apparently most degradation of these xenobiotic compounds occurs after active growth, during the secondary metabolic lignin degradation phase.

显而易见，大多数异生物质的降解发生在活性生长之后，次级代谢木质素降解阶段。

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However, recent data obtained from animal studies demonstrate that artificial sweeteners play an active metabolic role within the gastrointestinal tract.

然而，最近的动物研究资料表明人工甜味剂在胃肠道内有激活代谢的作用。

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