n.倒退;衰退;退化

The retrogression of the glacier has revealed ancient forests that were once buried under ice.
冰川的倒退揭示了曾经被冰层覆盖的古老森林。
Due to overfishing, we are witnessing a retrogression in the marine ecosystem's health.
由于过度捕捞，我们正在目睹海洋生态系统健康状况的倒退。
The country's economic retrogression in the past year is a cause for concern among policymakers.
这个国家在过去一年里的经济倒退让政策制定者感到担忧。
The patient showed signs of cognitive retrogression after suffering a severe head injury.
患者在遭受严重头部伤害后出现了认知能力倒退的迹象。
The education budget cuts have led to a noticeable retrogression in the quality of public schools.
教育预算的削减导致公立学校教学质量明显倒退。
Environmental degradation can lead to the retrogression of once fertile lands into barren deserts.
环境恶化可使曾经肥沃的土地退化成不毛之地。
After years of progress, the sudden retrogression in human rights legislation was met with widespread protest.
经过多年的进步，人权立法突然的倒退引发了广泛的抗议。
The athlete's performance suffered a significant retrogression after an extended period of inactivity due to injury.
由于受伤长时间未能活动，这位运动员的表现出现了显著的倒退。
The retrogression of the policy on renewable energy investments has sparked criticism from environmental activists.
可再生能源投资政策的倒退引发了环保积极分子的批评。
The historical study documented a clear retrogression in social equality during that era.
历史研究记录了那个时代社会平等明显倒退的情况。