reduce
使数量或程度降低(义项一)
decrease
减少,降低(可作动词也可作名词,更通用)
Governments must reduce their reliance on fossil fuels to combat climate change.
各国政府必须减少对化石燃料的依赖,以应对气候变化。
The number of reported cases has decreased significantly following the vaccination campaign.
疫苗接种活动后,报告病例数量显著减少。