1·Some studies suggest that catharsis leads to reductions in tension and a lowered likelihood of future aggression.
一些研究表明，宣泄情绪可以减少紧张情绪，降低未来发生攻击的可能性。
2·That's why environmental critics are calling instead for reductions in global livestock production, and urging people to consume less, not more, meat in their diets.
这就是为什么环境评论家反而呼吁减少全球牲畜生产，并敦促人们减少而不是增加他们饮食中的肉类消耗。
3·Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing.
虽然近年来机动车排放的有害污染物大幅减少，但机动车的数量一直在稳步增加。
4·For example, studies show that even brief periods of odorant stimulation produce transient reductions in receptors in the olfactory epithelium, a process termed "receptor fatigue".
例如，研究表明，即使是短暂的气味刺激也会导致嗅觉上皮细胞中受体短暂的减少，这个过程被称为“受体疲劳”。
5·Scientists say both studies demonstrate that certain parts of the ecosystem respond rapidly to reductions in atmospheric pollution, but that these findings should not be used as a license to pollute.
科学家称这两项研究都表明，生态系统的某些部分对于大气污染的减少反应迅速，但这些发现不应该成为允许污染的理由。